diff --git a/pagure/ui/issues.py b/pagure/ui/issues.py
index 24ebf97..1a291a7 100644
--- a/pagure/ui/issues.py
+++ b/pagure/ui/issues.py
@@ -305,6 +305,9 @@ def update_issue(repo, issueid, username=None, namespace=None):
             APP.logger.exception(err)
             if not is_js:
                 flask.flash(str(err), 'error')
+    else:
+        if is_js:
+            return 'notok: %s' % form.errors
 
     if is_js:
         return 'ok'