diff --git a/backend/open_webui/apps/ollama/main.py b/backend/open_webui/apps/ollama/main.py
index 81b771acb..3afe75866 100644
--- a/backend/open_webui/apps/ollama/main.py
+++ b/backend/open_webui/apps/ollama/main.py
@@ -288,7 +288,7 @@ async def get_all_models():
                 if enable:
                     tasks.append(aiohttp_get(f"{url}/api/tags", key))
                 else:
-                    tasks.append(None)
+                    tasks.append(asyncio.ensure_future(asyncio.sleep(0, None)))
 
         responses = await asyncio.gather(*tasks)