diff -drup a/entityreference_prepopulate.module b/entityreference_prepopulate.module
--- a/entityreference_prepopulate.module	Fri Jan  4 13:25:42 2013
+++ b/entityreference_prepopulate.module	Fri Jan  4 14:40:54 2013
@@ -64,27 +64,19 @@ function entityreference_prepopulate_fie
 }
 
 /**
- * Default value callback for Organic groups; Filter results by field-mode.
+ * Default value callback for Organic groups.
  */
 function entityreference_prepopulate_og_field_default_value($entity_type, $entity, $field, $instance, $langcode) {
-  if (empty($instance['field_mode'])) {
-    return;
-  }
-  if ($items = entityreference_prepopulate_get_values($field, $instance)) {
-    // Filter out the items that don't match the field-mode.
-    $gids = array();
-    foreach ($items as $item) {
-      $gids[] = $item['target_id'];
-    }
-    if (!$valid_ids = entityreference_get_selection_handler($field, $instance, $entity_type, $entity)->validateReferencableEntities($gids)) {
-      return;
-    }
-    $valid_items = array();
+  $valid_items = array();
+  $ids = entityreference_prepopulate_get_values($field, $instance, TRUE);
+  if (!empty($ids)) {
+    // Filter out invalid items.
+    $valid_ids = entityreference_get_selection_handler($field, $instance, $entity_type, $entity)->validateReferencableEntities($ids);
     foreach ($valid_ids as $valid_id) {
       $valid_items[] = array('target_id' => $valid_id);
     }
-    return $valid_items;
   }
+  return $valid_items;
 }
 
 /**