diff --git a/backend/open_webui/routers/users.py b/backend/open_webui/routers/users.py
index 2dd229eeb7..9ee3f9f88c 100644
--- a/backend/open_webui/routers/users.py
+++ b/backend/open_webui/routers/users.py
@@ -361,7 +361,7 @@ async def get_user_by_id(user_id: str, user=Depends(get_verified_user)):
         )
 
 
-@router.get("/{user_id}/oauth/sessions", response_model=Optional[dict])
+@router.get("/{user_id}/oauth/sessions")
 async def get_user_oauth_sessions_by_id(user_id: str, user=Depends(get_admin_user)):
     sessions = OAuthSessions.get_sessions_by_user_id(user_id)
     if sessions and len(sessions) > 0: