diff --git a/apps/map/templates/map/form.html b/apps/map/templates/map/form.html
index 9710660..d62e4c6 100644
--- a/apps/map/templates/map/form.html
+++ b/apps/map/templates/map/form.html
@@ -571,7 +571,7 @@ initDrafts()
 <script>
   <!-- Jump to error -->
   $(function() {
-    if ($('.has-error')) {
+    if ($('.has-error').length) {
       location.href = '#' + $('.has-error:first').attr('id');
     }
   });