diff --git a/profile2.module b/profile2.module
index beb3d9b..bc623a9 100644
--- a/profile2.module
+++ b/profile2.module
@@ -494,10 +495,10 @@ function template_preprocess_profile2(&$variables) {
  */
 function profile2_form_field_ui_field_edit_form_alter(&$form, &$form_state) {
   if ($form['instance']['entity_type']['#value'] == 'profile2') {
-    $form['field']['settings']['profile2_private'] = array(
+    $form['instance']['settings']['profile2_private'] = array(
       '#type' => 'checkbox',
       '#title' => t('Make the content of this field private'),
-      '#default_value' => !empty($form['#field']['settings']['profile2_private']),
+      '#default_value' => !empty($form['#instance']['settings']['profile2_private']),
       '#description' => t('If checked, the content of this field is only shown to the profile owner and administrators.'),
     );
   }