diff --git a/.env.example b/.env.example
index 8f21cb2..2e25fa4 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,6 @@
+NEXT_PUBLIC_SITE_ID=chemnitz
 DATABASE_URI=mongodb://127.0.0.1/dreikoenige
 PAYLOAD_SECRET=YOUR_SECRET_HERE
 GOOGLE_BUCKET=google_storage_bucket #can be omitted
 RESEND_API_KEY=some_api_key
-PUBLIC_URL=http://localhost:3000
\ No newline at end of file
+NEXT_PUBLIC_SERVER_URL=http://localhost:3000
\ No newline at end of file
diff --git a/src/components/RefreshRouteOnSave/RefreshRouteOnSave.tsx b/src/components/RefreshRouteOnSave/RefreshRouteOnSave.tsx
index e74b649..bcbabba 100644
--- a/src/components/RefreshRouteOnSave/RefreshRouteOnSave.tsx
+++ b/src/components/RefreshRouteOnSave/RefreshRouteOnSave.tsx
@@ -9,7 +9,7 @@ export const RefreshRouteOnSave: React.FC = () => {
   return (
     <PayloadLivePreview
       refresh={() => router.refresh()}
-      serverURL={process.env.PUBLIC_URL || "http://localhost:3000"}
+      serverURL={process.env.NEXT_PUBLIC_SERVER_URL || ''}
     />
   )
 }
\ No newline at end of file
diff --git a/src/payload.config.ts b/src/payload.config.ts
index fd1487b..47903aa 100644
--- a/src/payload.config.ts
+++ b/src/payload.config.ts
@@ -75,7 +75,6 @@ export default buildConfig({
       }
     },
     livePreview: {
-      url: 'http://localhost:3000',
       collections: ['blog', 'event', 'group', 'pages', 'parish'],
     },
   },