diff --git a/js/modal.js b/js/modal.js
index 831649f..c715a76 100644
--- a/js/modal.js
+++ b/js/modal.js
@@ -222,6 +222,9 @@
         // AJAX submits specified in this manner automatically submit to the
         // normal form action.
         element_settings.url = Drupal.CTools.Modal.findURL(this);
+        if (element_settings.url == '') {
+          element_settings.url = $(this).closest('form').attr('action');
+        }
         element_settings.event = 'click';
 
         var base = $this.attr('id');