diff --git a/chat-app/build.ts b/chat-app/build.ts
index 914b7c6..ba4f5f8 100644
--- a/chat-app/build.ts
+++ b/chat-app/build.ts
@@ -15,7 +15,7 @@ async function main() {
     ...config,
     verbose: true,
     define: {
-      'process.env.APP_URL': process.env.APP_URL,
+      'Bun.env.APP_URL': Bun.env.APP_URL,
     }
   });
 
diff --git a/chat-app/frontend/websocket.js b/chat-app/frontend/websocket.js
index d64d6f0..42c6bfe 100644
--- a/chat-app/frontend/websocket.js
+++ b/chat-app/frontend/websocket.js
@@ -1,6 +1,5 @@
 export function createWebSocket() {
-  let appUrl = process.env.APP_URL;
+  let appUrl = Bun.env.APP_URL;
   appUrl = `//${appUrl}/chat-service`;
-  console.log(appUrl);
   return new WebSocket(appUrl);
 }