diff --git a/backend/open_webui/tools/builtin.py b/backend/open_webui/tools/builtin.py
index 874a073af..3dca901c4 100644
--- a/backend/open_webui/tools/builtin.py
+++ b/backend/open_webui/tools/builtin.py
@@ -36,6 +36,7 @@ from open_webui.models.chats import Chats
 from open_webui.models.channels import Channels, ChannelMember, Channel
 from open_webui.models.messages import Messages, Message
 from open_webui.models.groups import Groups
+from open_webui.utils.sanitize import strip_markdown_code_fences
 
 log = logging.getLogger(__name__)
 
@@ -370,6 +371,9 @@ async def execute_code(
         return json.dumps({"error": "Request context not available"})
 
     try:
+        # Strip markdown fences if model included them
+        code = strip_markdown_code_fences(code)
+
         # Import blocked modules from config (same as middleware)
         from open_webui.config import CODE_INTERPRETER_BLOCKED_MODULES