diff --git a/ref-test/app/admin/views.py b/ref-test/app/admin/views.py
index 2f6e8e1..50fc804 100644
--- a/ref-test/app/admin/views.py
+++ b/ref-test/app/admin/views.py
@@ -280,7 +280,7 @@ def _download(id:str):
         return abort(500)
     if not dataset: return abort(404)
     data_path = path.abspath(dataset.get_file())
-    return send_file(data_path, as_attachment=True, attachment_filename=f'{dataset.get_name()}.json')
+    return send_file(data_path, as_attachment=True, download_name=f'{dataset.get_name()}.json')
 
 @admin.route('/tests/<string:filter>/', methods=['GET'])
 @admin.route('/tests/', methods=['GET'])