diff --git a/functions/vless.ts b/functions/vless.ts
index cbe46b1..0a132ed 100644
--- a/functions/vless.ts
+++ b/functions/vless.ts
@@ -21,7 +21,7 @@ export const onRequest: PagesFunction<Env> = async (context) => {
 
   const upgradeHeader = context.request.headers.get('Upgrade');
   if (!upgradeHeader || upgradeHeader !== 'websocket') {
-    return new Response(`Expected Upgrade: websocket--uuid--${userID}`, {
+    return new Response(`Expected Upgrade: websocket`, {
       status: 426,
     });
   }