diff --git a/backend/open_webui/utils/code_interpreter.py b/backend/open_webui/utils/code_interpreter.py
index cd6ce91ada..9a2cc45fc9 100644
--- a/backend/open_webui/utils/code_interpreter.py
+++ b/backend/open_webui/utils/code_interpreter.py
@@ -7,6 +7,7 @@ from typing import Optional
 import aiohttp
 import websockets
 from open_webui.env import AIOHTTP_CLIENT_ALLOW_REDIRECTS
+from open_webui.utils.json_codec import JSONCodec
 from pydantic import BaseModel
 
 logger = logging.getLogger(__name__)
@@ -157,7 +158,7 @@ class JupyterCodeExecuter:
             try:
                 # wait for message
                 message = await asyncio.wait_for(ws.recv(), self.timeout)
-                message_data = json.loads(message)
+                message_data = JSONCodec.loads(message)
                 # msg id not match, skip
                 if message_data.get('parent_header', {}).get('msg_id') != msg_id:
                     continue