diff --git a/osinaweb/osichat/consumers.py b/osinaweb/osichat/consumers.py
index b5378ab5..8d523b80 100644
--- a/osinaweb/osichat/consumers.py
+++ b/osinaweb/osichat/consumers.py
@@ -402,7 +402,7 @@ class OsitcomChatRoom(WebsocketConsumer):
                 async_to_sync(self.channel_layer.group_discard)(
                 self.group, self.channel_name
                 )
-                self.group = f"{self.session_id}_{self.chat_room.id}"
+                self.group = f"chat_{self.chat_room.id}"
                 async_to_sync(self.channel_layer.group_add)(
                 self.group, self.channel_name
                 )