diff --git a/backend/app/api/routes/threads.py b/backend/app/api/routes/threads.py
index 28275487b..cc5ded319 100644
--- a/backend/app/api/routes/threads.py
+++ b/backend/app/api/routes/threads.py
@@ -333,7 +333,7 @@ async def threads_sync(
 
 @router.post("/threads/start")
 async def start_thread(
-    request: OpenAIThreadCreate,
+    request: dict,
     background_tasks: BackgroundTasks,
     db: Session = Depends(get_db),
     _current_user: UserOrganization = Depends(get_current_user_org),