diff --git a/backend/app/routes/download.py b/backend/app/routes/download.py
index ca53d9a..6c1d557 100644
--- a/backend/app/routes/download.py
+++ b/backend/app/routes/download.py
@@ -121,7 +121,8 @@ async def _do_download(task_id: str, url: str, format_id: str):
             await db.commit()
 
             register_task(task_id)
-            result = download_video(url, format_id, task_id=task_id)
+            import asyncio
+            result = await asyncio.to_thread(download_video, url, format_id, None, task_id)
 
             video.title = result["title"]
             video.thumbnail = result["thumbnail"]