diff --git a/lib/server/generate.js b/lib/server/generate.js
index c02c140e71..1ba7468d43 100644
--- a/lib/server/generate.js
+++ b/lib/server/generate.js
@@ -452,7 +452,11 @@ function execute() {
       const targetFile = join(buildDir, parts[1]);
       const str = renderToStaticMarkup(
         <Site language="en" config={siteConfig}>
-          <div dangerouslySetInnerHTML={{__html: fs.readFileSync(file, { encoding: "utf8" })}} />
+          <div
+            dangerouslySetInnerHTML={{
+              __html: fs.readFileSync(file, {encoding: 'utf8'}),
+            }}
+          />
         </Site>
       );
 
diff --git a/lib/server/server.js b/lib/server/server.js
index 380d05b679..6666b5410b 100644
--- a/lib/server/server.js
+++ b/lib/server/server.js
@@ -372,17 +372,21 @@ function execute(port) {
       )
     ) {
       if (siteConfig.wrapPagesHTML) {
-        removeModuleAndChildrenFromCache("../core/Site.js");
-        const Site = require("../core/Site.js");
+        removeModuleAndChildrenFromCache('../core/Site.js');
+        const Site = require('../core/Site.js');
         const str = renderToStaticMarkup(
           <Site language="en" config={siteConfig}>
-            <div dangerouslySetInnerHTML={{__html: fs.readFileSync(htmlFile, { encoding: "utf8" })}} />
+            <div
+              dangerouslySetInnerHTML={{
+                __html: fs.readFileSync(htmlFile, {encoding: 'utf8'}),
+              }}
+            />
           </Site>
         );
 
         res.send(str);
       } else {
-        res.send(fs.readFileSync(htmlFile, { encoding: "utf8" }));
+        res.send(fs.readFileSync(htmlFile, {encoding: 'utf8'}));
       }
       return;
     }