diff --git a/includes/og.field.inc b/includes/og.field.inc
index 189afd5..201052c 100644
--- a/includes/og.field.inc
+++ b/includes/og.field.inc
@@ -70,10 +70,12 @@ function og_field_widget_form(&$form, &$form_state, $field, $instance, $langcode
     $entity_gids = og_get_entity_groups($entity_type, $entity);
     $entity_gids = !empty($entity_gids[$target_type]) ? $entity_gids[$target_type] : array();
 
-    $user_gids = og_get_entity_groups();
-    $user_gids = !empty($user_gids[$target_type]) ? $user_gids[$target_type] : array();
+    $mocked_instance = og_get_mocked_instance($instance, 'default');
+    $ids = entityreference_get_selection_handler($field, $mocked_instance)->getReferencableEntities();
+    $field_gids = array();
+    $field_gids = !empty($ids) ? $field_gids[$target_type] = array_keys($ids) : array();
 
-    $other_groups_ids = array_diff($entity_gids, $user_gids);
+    $other_groups_ids = array_diff($entity_gids, $field_gids);
   }
 
   foreach ($field_modes as $field_mode) {
@@ -106,7 +108,7 @@ function og_field_widget_form(&$form, &$form_state, $field, $instance, $langcode
         }
         else {
           // Keep only the groups that belong to the user and to the entity.
-          $my_group_ids = array_values(array_intersect($user_gids, $entity_gids));
+          $my_group_ids = array_values(array_intersect($field_gids, $entity_gids));
           $valid_ids = $my_group_ids ? entityreference_get_selection_handler($field, $mocked_instance, $entity_type, $dummy_entity)->validateReferencableEntities($my_group_ids) : array();
 
           $valid_ids = $field['cardinality'] == 1 ? reset($valid_ids) : $valid_ids;