diff --git a/backend/open_webui/main.py b/backend/open_webui/main.py
index 63f5fc6ccb..6cea135478 100644
--- a/backend/open_webui/main.py
+++ b/backend/open_webui/main.py
@@ -1202,7 +1202,8 @@ async def chat_completion(
             permissions = await Config.get('user.permissions')
             for permission in ('chat.controls', 'chat.params'):
                 if not await has_permission(user.id, permission, permissions):
-                    raise HTTPException(403, 'You cannot change model parameters.')
+                    model_controls = {}
+                    break
         if missing_base_model and model_controls.get(model_id):
             raise HTTPException(400, 'Model control options cannot be applied to the fallback model.')
         if model_info_params or request_params: