diff --git a/tools/rpi/ahoy.yml.example b/tools/rpi/ahoy.yml.example
index 149f40cc..16674daa 100644
--- a/tools/rpi/ahoy.yml.example
+++ b/tools/rpi/ahoy.yml.example
@@ -11,7 +11,7 @@ ahoy:
     password: 'password'
 
   dtu:
-    serial: 99978563000
+    serial: 99978563001
 
   inverters:
     - name: 'balkon'