diff --git a/src/app.cpp b/src/app.cpp
index d2d87f50..8e043004 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -3,12 +3,18 @@
 // Creative Commons - https://creativecommons.org/licenses/by-nc-sa/4.0/deed
 //-----------------------------------------------------------------------------
 
-#include "app.h"
 #include <ArduinoJson.h>
+
+#include "app.h"
+
 #include "utils/sun.h"
 
+
 //-----------------------------------------------------------------------------
-app::app() : ah::Scheduler() {}
+app::app()
+    : ah::Scheduler {},
+      mInnerLoopCb {nullptr} {
+}
 
 
 //-----------------------------------------------------------------------------
@@ -24,6 +30,7 @@ void app::setup() {
     mSettings.setup();
     mSettings.getPtr(mConfig);
     DPRINT(DBG_INFO, F("Settings valid: "));
+    DSERIAL.flush();
     if (mSettings.getValid())
         DBGPRINTLN(F("true"));
     else
@@ -31,17 +38,29 @@ void app::setup() {
 
     mSys.enableDebug();
     mSys.setup(mConfig->nrf.amplifierPower, mConfig->nrf.pinIrq, mConfig->nrf.pinCe, mConfig->nrf.pinCs, mConfig->nrf.pinSclk, mConfig->nrf.pinMosi, mConfig->nrf.pinMiso);
+    #ifdef ETHERNET
+    delay(1000);
+    DPRINT(DBG_INFO, F("mEth setup..."));
+    DSERIAL.flush();
+    mEth.setup(mConfig, &mTimestamp, [this](bool gotIp) { this->onNetwork(gotIp); }, [this](bool gotTime) { this->onNtpUpdate(gotTime); });
+    DBGPRINTLN(F("done..."));
+    DSERIAL.flush();
+    #endif // ETHERNET
 
-#if defined(AP_ONLY)
+    #if !defined(ETHERNET)
+    #if defined(AP_ONLY)
     mInnerLoopCb = std::bind(&app::loopStandard, this);
     #else
     mInnerLoopCb = std::bind(&app::loopWifi, this);
     #endif
+    #endif /* !defined(ETHERNET) */
 
-    mWifi.setup(mConfig, &mTimestamp, std::bind(&app::onWifi, this, std::placeholders::_1));
+#if !defined(ETHERNET)
+    mWifi.setup(mConfig, &mTimestamp, std::bind(&app::onNetwork, this, std::placeholders::_1));
     #if !defined(AP_ONLY)
     everySec(std::bind(&ahoywifi::tickWifiLoop, &mWifi), "wifiL");
     #endif
+#endif /* defined(ETHERNET) */
 
     mSys.addInverters(&mConfig->inst);
 
@@ -95,7 +114,8 @@ void app::setup() {
 
 //-----------------------------------------------------------------------------
 void app::loop(void) {
-    mInnerLoopCb();
+    if (mInnerLoopCb)
+        mInnerLoopCb();
 }
 
 //-----------------------------------------------------------------------------
@@ -136,30 +156,38 @@ void app::loopStandard(void) {
         mMqtt.loop();
 }
 
+#if !defined(ETHERNET)
 //-----------------------------------------------------------------------------
 void app::loopWifi(void) {
     ah::Scheduler::loop();
     yield();
 }
+#endif /* !defined(ETHERNET) */
 
 //-----------------------------------------------------------------------------
-void app::onWifi(bool gotIp) {
-    DPRINTLN(DBG_DEBUG, F("onWifi"));
+void app::onNetwork(bool gotIp) {
+    DPRINTLN(DBG_DEBUG, F("onNetwork"));
     ah::Scheduler::resetTicker();
     regularTickers();  // reinstall regular tickers
     if (gotIp) {
-        mInnerLoopCb = std::bind(&app::loopStandard, this);
         every(std::bind(&app::tickSend, this), mConfig->nrf.sendInterval, "tSend");
         mMqttReconnect = true;
         mSunrise = 0;  // needs to be set to 0, to reinstall sunrise and ivComm tickers!
         once(std::bind(&app::tickNtpUpdate, this), 2, "ntp2");
+        #if !defined(ETHERNET)
         if (WIFI_AP == WiFi.getMode()) {
             mMqttEnabled = false;
             everySec(std::bind(&ahoywifi::tickWifiLoop, &mWifi), "wifiL");
         }
+        #endif /* !defined(ETHERNET) */
+        mInnerLoopCb = [this]() { this->loopStandard(); };
     } else {
-        mInnerLoopCb = std::bind(&app::loopWifi, this);
+#if defined(ETHERNET)
+        mInnerLoopCb = nullptr;
+#else /* defined(ETHERNET) */
+        mInnerLoopCb = [this]() { this->loopWifi(); };
         everySec(std::bind(&ahoywifi::tickWifiLoop, &mWifi), "wifiL");
+#endif /* defined(ETHERNET) */
     }
 }
 
@@ -176,8 +204,42 @@ void app::regularTickers(void) {
 //-----------------------------------------------------------------------------
 void app::tickNtpUpdate(void) {
     uint32_t nxtTrig = 5;  // default: check again in 5 sec
-    bool isOK = mWifi.getNtpTime();
+    bool isOK = false;
+#if defined(ETHERNET)
+    if (!(isOK = mEth.updateNtpTime()))
+        once(std::bind(&app::tickNtpUpdate, this), nxtTrig, "ntp");
+#else /* defined(ETHERNET) */
+    isOK = mWifi.getNtpTime();
     if (isOK || mTimestamp != 0) {
+        this->updateNtp();
+        nxtTrig = isOK ? 43200 : 60;  // depending on NTP update success check again in 12 h or in 1 min
+    }
+    once(std::bind(&app::tickNtpUpdate, this), nxtTrig, "ntp");
+#endif /* defined(ETHERNET) */
+
+    // immediately start communicating
+    // @TODO: leads to reboot loops? not sure #674
+    if (isOK && mSendFirst) {
+        mSendFirst = false;
+        once(std::bind(&app::tickSend, this), 2, "senOn");
+    }
+
+}
+
+#if defined(ETHERNET)
+void app::onNtpUpdate(bool gotTime)
+{
+    uint32_t nxtTrig = 5;  // default: check again in 5 sec
+    if (gotTime || mTimestamp != 0) {
+        this->updateNtp();
+        nxtTrig = gotTime ? 43200 : 60;  // depending on NTP update success check again in 12 h or in 1 min
+    }
+    once(std::bind(&app::tickNtpUpdate, this), nxtTrig, "ntp");
+}
+#endif /* defined(ETHERNET) */
+
+//-----------------------------------------------------------------------------
+void app::updateNtp(void) {
         if (mMqttReconnect && mMqttEnabled) {
             mMqtt.tickerSecond();
             everySec(std::bind(&PubMqttType::tickerSecond, &mMqtt), "mqttS");
@@ -195,24 +257,13 @@ void app::tickNtpUpdate(void) {
             }
         }
 
-        nxtTrig = isOK ? 43200 : 60;  // depending on NTP update success check again in 12 h or in 1 min
-
         if ((mSunrise == 0) && (mConfig->sun.lat) && (mConfig->sun.lon)) {
             mCalculatedTimezoneOffset = (int8_t)((mConfig->sun.lon >= 0 ? mConfig->sun.lon + 7.5 : mConfig->sun.lon - 7.5) / 15) * 3600;
             tickCalcSunrise();
         }
 
-        // immediately start communicating
-        // @TODO: leads to reboot loops? not sure #674
-        if (isOK && mSendFirst) {
-            mSendFirst = false;
-            once(std::bind(&app::tickSend, this), 2, "senOn");
-        }
-
         mMqttReconnect = false;
     }
-    once(std::bind(&app::tickNtpUpdate, this), nxtTrig, "ntp");
-}
 
 //-----------------------------------------------------------------------------
 void app::tickCalcSunrise(void) {
diff --git a/src/app.h b/src/app.h
index b5f30346..ba2d5f83 100644
--- a/src/app.h
+++ b/src/app.h
@@ -24,7 +24,11 @@
 #include "utils/scheduler.h"
 #include "web/RestApi.h"
 #include "web/web.h"
+#if defined(ETHERNET)
+#include "eth/ahoyeth.h"
+#else /* defined(ETHERNET) */
 #include "wifi/ahoywifi.h"
+#endif /* defined(ETHERNET) */
 
 // convert degrees and radians for sun calculation
 #define SIN(x) (sin(radians(x)))
@@ -52,8 +56,10 @@ class app : public IApp, public ah::Scheduler {
         void setup(void);
         void loop(void);
         void loopStandard(void);
+#if !defined(ETHERNET)
         void loopWifi(void);
-        void onWifi(bool gotIp);
+#endif /* !defined(ETHERNET) */
+        void onNetwork(bool gotIp);
         void regularTickers(void);
 
         void handleIntr(void) {
@@ -100,6 +106,7 @@ class app : public IApp, public ah::Scheduler {
             return &mStat;
         }
 
+        #if !defined(ETHERNET)
         void scanAvailNetworks() {
             mWifi.scanAvailNetworks();
         }
@@ -109,8 +116,9 @@ class app : public IApp, public ah::Scheduler {
         }
 
         void setOnUpdate() {
-            onWifi(false);
+            onNetwork(false);
         }
+        #endif /* !defined(ETHERNET) */
 
         void setRebootFlag() {
             once(std::bind(&app::tickReboot, this), 3, "rboot");
@@ -198,7 +206,13 @@ class app : public IApp, public ah::Scheduler {
             DPRINT(DBG_DEBUG, F("setTimestamp: "));
             DBGPRINTLN(String(newTime));
             if(0 == newTime)
+            {
+                #if defined(ETHERNET)
+                mEth.updateNtpTime();
+                #else /* defined(ETHERNET) */
                 mWifi.getNtpTime();
+                #endif /* defined(ETHERNET) */
+            }
             else
                 Scheduler::setTimestamp(newTime);
         }
@@ -226,7 +240,7 @@ class app : public IApp, public ah::Scheduler {
 
         void tickReboot(void) {
             DPRINTLN(DBG_INFO, F("Rebooting..."));
-            onWifi(false);
+            onNetwork(false);
             ah::Scheduler::resetTicker();
             WiFi.disconnect();
             delay(200);
@@ -243,6 +257,11 @@ class app : public IApp, public ah::Scheduler {
         }
 
         void tickNtpUpdate(void);
+        #if defined(ETHERNET)
+        void onNtpUpdate(bool gotTime);
+        #endif /* defined(ETHERNET) */
+        void updateNtp(void);
+
         void tickCalcSunrise(void);
         void tickIVCommunication(void);
         void tickSun(void);
@@ -271,7 +290,11 @@ class app : public IApp, public ah::Scheduler {
         bool mShowRebootRequest;
         bool mIVCommunicationOn;
 
+        #if defined(ETHERNET)
+        ahoyeth mEth;
+        #else /* defined(ETHERNET) */
         ahoywifi mWifi;
+        #endif /* defined(ETHERNET) */
         WebType mWeb;
         RestApiType mApi;
         PayloadType mPayload;
diff --git a/src/appInterface.h b/src/appInterface.h
index 0c67415e..af28c968 100644
--- a/src/appInterface.h
+++ b/src/appInterface.h
@@ -8,7 +8,9 @@
 
 #include "defines.h"
 #include "hm/hmSystem.h"
+#if !defined(ETHERNET)
 #include "ESPAsyncWebServer.h"
+#endif /* defined(ETHERNET) */
 
 // abstract interface to App. Make members of App accessible from child class
 // like web or API without forward declaration
@@ -18,15 +20,20 @@ class IApp {
         virtual bool saveSettings(bool stopFs) = 0;
         virtual bool readSettings(const char *path) = 0;
         virtual bool eraseSettings(bool eraseWifi) = 0;
+        #if !defined(ETHERNET)
         virtual bool getSavePending() = 0;
         virtual bool getLastSaveSucceed() = 0;
         virtual bool getShouldReboot() = 0;
         virtual void setOnUpdate() = 0;
+        #endif /* defined(ETHERNET) */
         virtual void setRebootFlag() = 0;
         virtual const char *getVersion() = 0;
         virtual statistics_t *getStatistics() = 0;
+
+        #if !defined(ETHERNET)
         virtual void scanAvailNetworks() = 0;
         virtual void getAvailNetworks(JsonObject obj) = 0;
+        #endif /* defined(ETHERNET) */
 
         virtual uint32_t getUptime() = 0;
         virtual uint32_t getTimestamp() = 0;
diff --git a/src/config/config.h b/src/config/config.h
index ac28c1a2..b9fc0052 100644
--- a/src/config/config.h
+++ b/src/config/config.h
@@ -32,12 +32,24 @@
 // CONFIGURATION - COMPILE TIME
 //-------------------------------------
 
+// ethernet
+
+#if defined(ETHERNET)
+    #define ETH_SPI_HOST            SPI2_HOST
+    #define ETH_SPI_CLOCK_MHZ       25
+    #define ETH_INT_GPIO            4
+    #define ETH_MISO_GPIO           12
+    #define ETH_MOSI_GPIO           13
+    #define ETH_SCK_GPIO            14
+    #define ETH_CS_PIN              15
+#else /* defined(ETHERNET) */
 // time in seconds how long the station info (ssid + pwd) will be tried
 #define WIFI_TRY_CONNECT_TIME   30
 
 // time during the ESP will act as access point on connection failure (to
 // station) in seconds
 #define WIFI_AP_ACTIVE_TIME     60
+#endif /* defined(ETHERNET) */
 
 // default device name
 #define DEF_DEVICE_NAME         "AHOY-DTU"
@@ -49,7 +61,7 @@
     // to map its two HW SPIs anywhere and PCBs differ materially,
     // so it has to be selected in the Web UI
     #define DEF_CS_PIN              5
-    #define DEF_CE_PIN              4
+    #define DEF_CE_PIN              17
     #define DEF_IRQ_PIN             16
     #define DEF_MISO_PIN            19
     #define DEF_MOSI_PIN            23
diff --git a/src/config/settings.h b/src/config/settings.h
index d04fdce5..bfdd2fc0 100644
--- a/src/config/settings.h
+++ b/src/config/settings.h
@@ -65,9 +65,14 @@ typedef struct {
     uint16_t protectionMask;
     bool darkMode;
 
+#if defined(ETHERNET)
+    // ethernet
+
+#else /* defined(ETHERNET) */
     // wifi
     char stationSsid[SSID_LEN];
     char stationPwd[PWD_LEN];
+#endif /* defined(ETHERNET) */
 
     cfgIp_t ip;
 } cfgSys_t;
@@ -250,7 +255,7 @@ class settings {
                 root.shrinkToFit();
                 if(!err && (root.size() > 0)) {
                     mCfg.valid = true;
-                    if(root.containsKey(F("wifi"))) jsonWifi(root[F("wifi")]);
+                    if(root.containsKey(F("wifi"))) jsonNetwork(root[F("wifi")]);
                     if(root.containsKey(F("nrf"))) jsonNrf(root[F("nrf")]);
                     if(root.containsKey(F("ntp"))) jsonNtp(root[F("ntp")]);
                     if(root.containsKey(F("sun"))) jsonSun(root[F("sun")]);
@@ -274,7 +279,7 @@ class settings {
 
             DynamicJsonDocument json(MAX_ALLOWED_BUF_SIZE);
             JsonObject root = json.to<JsonObject>();
-            jsonWifi(root.createNestedObject(F("wifi")), true);
+            jsonNetwork(root.createNestedObject(F("wifi")), true);
             jsonNrf(root.createNestedObject(F("nrf")), true);
             jsonNtp(root.createNestedObject(F("ntp")), true);
             jsonSun(root.createNestedObject(F("sun")), true);
@@ -338,13 +343,18 @@ class settings {
             mCfg.sys.protectionMask = DEF_PROT_INDEX | DEF_PROT_LIVE | DEF_PROT_SERIAL | DEF_PROT_SETUP
                                     | DEF_PROT_UPDATE | DEF_PROT_SYSTEM | DEF_PROT_API | DEF_PROT_MQTT;
             mCfg.sys.darkMode = false;
+
             // restore temp settings
+            #if defined(ETHERNET)
+            memcpy(&mCfg.sys, &tmp, sizeof(cfgSys_t));
+            #else /* defined(ETHERNET) */
             if(keepWifi)
                 memcpy(&mCfg.sys, &tmp, sizeof(cfgSys_t));
             else {
                 snprintf(mCfg.sys.stationSsid, SSID_LEN, FB_WIFI_SSID);
                 snprintf(mCfg.sys.stationPwd,  PWD_LEN,  FB_WIFI_PWD);
             }
+            #endif /* defined(ETHERNET) */
 
             snprintf(mCfg.sys.deviceName,  DEVNAME_LEN, DEF_DEVICE_NAME);
 
@@ -400,11 +410,13 @@ class settings {
             mCfg.plugin.display.disp_dc    = DEF_PIN_OFF;
        }
 
-        void jsonWifi(JsonObject obj, bool set = false) {
+        void jsonNetwork(JsonObject obj, bool set = false) {
             if(set) {
                 char buf[16];
+                #if !defined(ETHERNET)
                 obj[F("ssid")] = mCfg.sys.stationSsid;
                 obj[F("pwd")]  = mCfg.sys.stationPwd;
+                #endif /* !defined(ETHERNET) */
                 obj[F("dev")]  = mCfg.sys.deviceName;
                 obj[F("adm")]  = mCfg.sys.adminPwd;
                 obj[F("prot_mask")] = mCfg.sys.protectionMask;
@@ -415,8 +427,10 @@ class settings {
                 ah::ip2Char(mCfg.sys.ip.dns2, buf);    obj[F("dns2")] = String(buf);
                 ah::ip2Char(mCfg.sys.ip.gateway, buf); obj[F("gtwy")] = String(buf);
             } else {
+                #if !defined(ETHERNET)
                 getChar(obj, F("ssid"), mCfg.sys.stationSsid, SSID_LEN);
                 getChar(obj, F("pwd"), mCfg.sys.stationPwd, PWD_LEN);
+                #endif /* !defined(ETHERNET) */
                 getChar(obj, F("dev"), mCfg.sys.deviceName, DEVNAME_LEN);
                 getChar(obj, F("adm"), mCfg.sys.adminPwd, PWD_LEN);
                 getVal<uint16_t>(obj, F("prot_mask"), &mCfg.sys.protectionMask);
diff --git a/src/defines.h b/src/defines.h
index 1ace50df..4313ee71 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       6
-#define VERSION_PATCH       7
+#define VERSION_PATCH       8
 
 //-------------------------------------
 typedef struct {
diff --git a/src/platformio.ini b/src/platformio.ini
index 5d4c655d..a396999c 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -135,6 +135,50 @@ monitor_filters =
     time      ; Add timestamp with milliseconds for each new line
     log2file  ; Log data to a file “platformio-device-monitor-*.log” located in the current working directory
 
+[env:esp32-wroom32-ethernet-debug]
+platform = espressif32
+board = lolin_d32
+lib_deps =
+    khoih-prog/AsyncWebServer_ESP32_W5500
+    khoih-prog/AsyncUDP_ESP32_W5500
+    nrf24/RF24
+    paulstoffregen/Time
+    https://github.com/bertmelis/espMqttClient#v1.3.3
+    bblanchon/ArduinoJson
+    https://github.com/JChristensen/Timezone
+    olikraus/U8g2
+    zinggjm/GxEPD2@^1.5.0
+build_flags = -DETHERNET -DDEBUG_LEVEL=DBG_DEBUG -DDEBUG_ESP_CORE -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_OOM -DDEBUG_ESP_PORT=Serial -std=gnu++14
+build_unflags = -std=gnu++11
+build_type = debug
+monitor_filters =
+    ;default   ; Remove typical terminal control codes from input
+    time      ; Add timestamp with milliseconds for each new line
+    log2file  ; Log data to a file “platformio-device-monitor-*.log” located in the current working directory
+    ;esp32_exception_decoder
+
+
+[env:esp32-wroom32-ethernet-release]
+platform = espressif32
+board = esp32dev
+lib_deps =
+    khoih-prog/AsyncWebServer_ESP32_W5500
+    khoih-prog/AsyncUDP_ESP32_W5500
+    nrf24/RF24
+    paulstoffregen/Time
+    https://github.com/bertmelis/espMqttClient#v1.3.3
+    bblanchon/ArduinoJson
+    https://github.com/JChristensen/Timezone
+    olikraus/U8g2
+    zinggjm/GxEPD2@^1.5.0
+build_flags = -DETHERNET -DRELEASE -DLOG_LOCAL_LEVEL=ESP_LOG_INFO -DDEBUG_LEVEL=DBG_DEBUG -std=gnu++14
+build_unflags = -std=gnu++11
+monitor_filters =
+    ;default   ; Remove typical terminal control codes from input
+    ;time      ; Add timestamp with milliseconds for each new line
+    ;log2file  ; Log data to a file “platformio-device-monitor-*.log” located in the current working directory
+    esp32_exception_decoder
+
 [env:opendtufusionv1-release]
 platform = espressif32
 board = esp32-s3-devkitc-1
diff --git a/src/web/RestApi.h b/src/web/RestApi.h
index fde8c7a4..eab51247 100644
--- a/src/web/RestApi.h
+++ b/src/web/RestApi.h
@@ -16,7 +16,11 @@
 #include "../hm/hmSystem.h"
 #include "../utils/helper.h"
 #include "AsyncJson.h"
+#if defined(ETHERNET)
+#include "AsyncWebServer_ESP32_W5500.h"
+#else /* defined(ETHERNET) */
 #include "ESPAsyncWebServer.h"
+#endif /* defined(ETHERNET) */
 
 #if defined(F) && defined(ESP32)
 #undef F
@@ -88,8 +92,10 @@ class RestApi {
             else if(path == "inverter/list")  getInverterList(root);
             else if(path == "index")          getIndex(request, root);
             else if(path == "setup")          getSetup(request, root);
+            #if !defined(ETHERNET)
             else if(path == "setup/networks") getNetworks(root);
-            else if(path == "live")           getLive(request, root);
+            #endif /* !defined(ETHERNET) */
+            else if(path == "live")           getLive(request,root);
             else if(path == "record/info")    getRecord(root, InverterDevInform_All);
             else if(path == "record/alarm")   getRecord(root, AlarmData);
             else if(path == "record/config")  getRecord(root, SystemConfigPara);
@@ -204,7 +210,9 @@ class RestApi {
         }
 
         void getSysInfo(AsyncWebServerRequest *request, JsonObject obj) {
+            #if !defined(ETHERNET)
             obj[F("ssid")]         = mConfig->sys.stationSsid;
+            #endif /* !defined(ETHERNET) */
             obj[F("device_name")]  = mConfig->sys.deviceName;
             obj[F("dark_mode")]    = (bool)mConfig->sys.darkMode;
 
@@ -494,9 +502,11 @@ class RestApi {
             getDisplay(obj.createNestedObject(F("display")));
         }
 
+        #if !defined(ETHERNET)
         void getNetworks(JsonObject obj) {
             mApp->getAvailNetworks(obj);
         }
+        #endif /* !defined(ETHERNET) */
 
         void getLive(AsyncWebServerRequest *request, JsonObject obj) {
             getGeneric(request, obj.createNestedObject(F("generic")));
@@ -587,9 +597,12 @@ class RestApi {
         }
 
         bool setSetup(JsonObject jsonIn, JsonObject jsonOut) {
+            #if !defined(ETHERNET)
             if(F("scan_wifi") == jsonIn[F("cmd")])
                 mApp->scanAvailNetworks();
-            else if(F("set_time") == jsonIn[F("cmd")])
+            else
+            #endif /* !defined(ETHERNET) */
+            if(F("set_time") == jsonIn[F("cmd")])
                 mApp->setTimestamp(jsonIn[F("val")]);
             else if(F("sync_ntp") == jsonIn[F("cmd")])
                 mApp->setTimestamp(0); // 0: update ntp flag
diff --git a/src/web/web.h b/src/web/web.h
index 056b9e7c..7381c525 100644
--- a/src/web/web.h
+++ b/src/web/web.h
@@ -16,7 +16,11 @@
 #include "../appInterface.h"
 #include "../hm/hmSystem.h"
 #include "../utils/helper.h"
+#if defined(ETHERNET)
+#include "AsyncWebServer_ESP32_W5500.h"
+#else /* defined(ETHERNET) */
 #include "ESPAsyncWebServer.h"
+#endif /* defined(ETHERNET) */
 #include "html/h/api_js.h"
 #include "html/h/colorBright_css.h"
 #include "html/h/colorDark_css.h"
@@ -144,7 +148,9 @@ class Web {
         }
 
         void showUpdate2(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final) {
+            #if !defined(ETHERNET)
             mApp->setOnUpdate();
+            #endif /* !defined(ETHERNET) */
 
             if (!index) {
                 Serial.printf("Update Start: %s\n", filename.c_str());
@@ -444,10 +450,12 @@ class Web {
             char buf[20] = {0};
 
             // general
+            #if !defined(ETHERNET)
             if (request->arg("ssid") != "")
                 request->arg("ssid").toCharArray(mConfig->sys.stationSsid, SSID_LEN);
             if (request->arg("pwd") != "{PWD}")
                 request->arg("pwd").toCharArray(mConfig->sys.stationPwd, PWD_LEN);
+            #endif /* !defined(ETHERNET) */
             if (request->arg("device") != "")
                 request->arg("device").toCharArray(mConfig->sys.deviceName, DEVNAME_LEN);
             mConfig->sys.darkMode = (request->arg("darkMode") == "on");
diff --git a/src/wifi/ahoywifi.cpp b/src/wifi/ahoywifi.cpp
index 08c19070..76a790d2 100644
--- a/src/wifi/ahoywifi.cpp
+++ b/src/wifi/ahoywifi.cpp
@@ -3,6 +3,7 @@
 // Creative Commons - https://creativecommons.org/licenses/by-nc-sa/4.0/deed
 //-----------------------------------------------------------------------------
 
+#if !defined(ETHERNET)
 #if defined(ESP32) && defined(F)
   #undef F
   #define F(sl) (sl)
@@ -414,3 +415,5 @@ void ahoywifi::welcome(String ip, String mode) {
     DBGPRINTLN(F("to configure your device"));
     DBGPRINTLN(F("--------------------------------\n"));
 }
+
+#endif /* !defined(ETHERNET) */
diff --git a/src/wifi/ahoywifi.h b/src/wifi/ahoywifi.h
index 3a3a35a8..ce465e09 100644
--- a/src/wifi/ahoywifi.h
+++ b/src/wifi/ahoywifi.h
@@ -2,7 +2,7 @@
 // 2023 Ahoy, https://www.mikrocontroller.net/topic/525778
 // Creative Commons - http://creativecommons.org/licenses/by-nc-sa/3.0/de/
 //-----------------------------------------------------------------------------
-
+#if !defined(ETHERNET)
 #ifndef __AHOYWIFI_H__
 #define __AHOYWIFI_H__
 
@@ -75,3 +75,4 @@ class ahoywifi {
 };
 
 #endif /*__AHOYWIFI_H__*/
+#endif /* !defined(ETHERNET) */