diff --git a/Bugzilla/CheckerUtils.pm b/Bugzilla/CheckerUtils.pm
index 3d2571a1a..d63ae0f42 100644
--- a/Bugzilla/CheckerUtils.pm
+++ b/Bugzilla/CheckerUtils.pm
@@ -119,7 +119,7 @@ sub alert
         $dbh->bz_rollback_to_savepoint;
         if (!Bugzilla->request_cache->{checkers_hide_error})
         {
-            show_checker_errors([ $bug ]);
+            show_checker_errors(freeze_failed_checkers([ $bug ]));
         }
     }
     return $bug->{passed_checkers};