diff --git a/rasa/core/channels/socketio.py b/rasa/core/channels/socketio.py
index 4ae79a3e5afe..e86f31983403 100644
--- a/rasa/core/channels/socketio.py
+++ b/rasa/core/channels/socketio.py
@@ -227,7 +227,7 @@ async def session_request(sid: Text, data: Optional[Dict]) -> None:
             if "session_id" not in data or data["session_id"] is None:
                 data["session_id"] = uuid.uuid4().hex
             if self.session_persistence:
-                sio.enter_room(sid, data["session_id"])
+                await sio.enter_room(sid, data["session_id"])
             await sio.emit("session_confirm", data["session_id"], room=sid)
             logger.debug(f"User {sid} connected to socketIO endpoint.")