--- views_ui_basic.admin.inc
+++ views_ui_basic.admin.inc
@@ -34,7 +34,7 @@
 
 
   foreach ($views as $view_key => $view_object) {
-    if (!isset($view_object->disabled)) {
+    if (!($view_object->disabled)) {
 
       $form['fsviews']["{$view_key}_fieldset"] = array(
         '#title' => $view_key . ' [' . l(t('edit view'), "admin/build/views/edit/$view_key", array('attributes' => array('target' => '_blank'))) . ']',