diff --git a/application.py b/application.py
index f7e78f1..898789d 100644
--- a/application.py
+++ b/application.py
@@ -18,7 +18,7 @@ from flask_socketio import SocketIO, emit, join_room
 
 application = Flask(__name__)
 application.secret_key = secrets.token_hex(64)
-websocket_manager = SocketIO(application, manage_session=False)
+websocket_manager = SocketIO(application, manage_session=False, async_mode='threading')
 scheduler_instance = BackgroundScheduler(timezone="Europe/Berlin")
 european_timezone = zoneinfo.ZoneInfo("Europe/Berlin")