diff --git a/src/backend/langflow/api/v1/chat.py b/src/backend/langflow/api/v1/chat.py
index 25be65dbb..500e1d0bc 100644
--- a/src/backend/langflow/api/v1/chat.py
+++ b/src/backend/langflow/api/v1/chat.py
@@ -19,8 +19,9 @@ async def chat(client_id: str, websocket: WebSocket):
         if client_id in chat_manager.in_memory_cache:
             await chat_manager.handle_websocket(client_id, websocket)
         else:
+            await websocket.accept()
             message = "Please, build the flow before sending messages"
-            await websocket.close(code=status.WS_1008_POLICY_VIOLATION, reason=message)
+            await websocket.close(code=status.WS_1011_INTERNAL_ERROR, reason=message)
     except WebSocketException as exc:
         logger.error(exc)
         await websocket.close(code=status.WS_1011_INTERNAL_ERROR, reason=str(exc))