1 files changed, 1 insertions, 2 deletions

diff --git a/subprojects/frontend/src/xtext/webSocketMachine.ts b/subprojects/frontend/src/xtext/webSocketMachine.ts
index a1eee781..b5b40d11 100644
--- a/subprojects/frontend/src/xtext/webSocketMachine.ts
+++ b/subprojects/frontend/src/xtext/webSocketMachine.ts
@@ -39,8 +39,7 @@ export function isWebSocketURLLocal(webSocketURL: string | undefined): boolean {
   return (
     hostname === 'localhost' ||
     hostname === '[::1]' ||
-    hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/) !==
-      null
+    hostname.match(/^127(?:\.(?:25[0-5]|2[0-4]\d|[01]?\d\d?)){3}$/) !== null
   );
 }