diff --git a/app/app.py b/app/app.py
index a06b1f1..8b14615 100644
--- a/app/app.py
+++ b/app/app.py
@@ -681,7 +681,7 @@ def create_app(args):
         download_filename.pop(0)
         download_filename = '.'.join(download_filename)
 
-        return send_file(return_data, as_attachment=True, attachment_filename=download_filename)
+        return send_file(return_data, as_attachment=True, download_name=download_filename)
 
     @app.post("/detect")
     @access_check