diff --git a/plugins/export_ui/menu_block.inc b/plugins/export_ui/menu_block.inc
index 1062e24..0e09400 100644
--- a/plugins/export_ui/menu_block.inc
+++ b/plugins/export_ui/menu_block.inc
@@ -168,7 +168,7 @@ function menu_block_export_ui_form(&$form, &$form_state) {
   $form['parent_mlid'] = array(
     '#type' => 'select',
     '#title' => t('Fixed parent item'),
-    '#default_value' => $form_state['item']->parent,
+    '#default_value' => $form_state['item']->menu_name . ':' . $form_state['item']->parent_mlid,
     '#options' => menu_parent_options($menus, array('mlid' => 0)),
     '#description' => t('Alter the "starting level" and "maximum depth" options to be relative to the fixed parent item. The tree of links will only contain children of the selected menu item.'),
     '#attributes' => array('class' => array('menu-block-parent-mlid')),