diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index bc4d446..438d082 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -1205,7 +1205,7 @@ def upload_file(rfc, opt, file_obj):
     if save_file(path, file_obj.file.read()):
         return {'status': 'server', 'name': file_obj.filename, 'ok': True}
 
-    return {'status': 'error'}
+    return {'status': 'error', 'ok': False}
 
 
 def cancel_cfdi(uuid, pk12, rfc, auth):