diff --git a/fastapi_socketio/socket_manager.py b/fastapi_socketio/socket_manager.py
index ff23726..65a2f56 100644
--- a/fastapi_socketio/socket_manager.py
+++ b/fastapi_socketio/socket_manager.py
@@ -33,6 +33,8 @@ def __init__(
         )
 
         app.mount(mount_location, self._app)
+        app.add_route(f"/{socketio_path}/", route=self._app, methods=["GET", "POST"])
+        app.add_websocket_route(f"/{socketio_path}/", self._app)
         app.sio = self._sio
 
     def is_asyncio_based(self) -> bool: