diff --git a/frontend/src/app/pages/altitude/chat/service/chat.service.ts b/frontend/src/app/pages/altitude/chat/service/chat.service.ts
index 534813d..31d0020 100644
--- a/frontend/src/app/pages/altitude/chat/service/chat.service.ts
+++ b/frontend/src/app/pages/altitude/chat/service/chat.service.ts
@@ -51,7 +51,7 @@ export class ChatService implements OnDestroy {
       this._messages.update((old) => [...old, ...messages]);
     });
 
-    this.on(source, 'chat-message', (event) => {
+    this.on(source, 'chat', (event) => {
       const raw = JSON.parse(event.data) as RawChatMessage[];
       const messages: ChatMessage[] = raw.map((m) => ({
         ...m,