diff --git a/backend/open_webui/routers/files.py b/backend/open_webui/routers/files.py
index 7ca1c2e73f..86beeec188 100644
--- a/backend/open_webui/routers/files.py
+++ b/backend/open_webui/routers/files.py
@@ -125,7 +125,13 @@ async def process_uploaded_file(
 
                 if strict_match_mime_type(stt_supported_content_types, content_type):
                     file_path_processed = await asyncio.to_thread(Storage.get_file, file_path)
-                    result = transcribe(request, file_path_processed, file_metadata, user)
+                    result = await asyncio.to_thread(
+                        transcribe,
+                        request,
+                        file_path_processed,
+                        file_metadata,
+                        user,
+                    )
 
                     await process_file(
                         request,