diff --git a/includes/media.fields.inc b/includes/media.fields.inc
index 8beac79..04d0d36 100644
--- a/includes/media.fields.inc
+++ b/includes/media.fields.inc
@@ -274,7 +274,7 @@ function media_field_widget_form(&$form, &$form_state, $field, $instance, $langc
  */
 function media_field_validate($obj_type, $object, $field, $instance, $langcode, $items, &$errors) {
 
-  $allowed_types = array_keys(array_filter($instance['widget']['settings']['allowed_types']));
+  $allowed_types = array_filter($instance['widget']['settings']['allowed_types']);
 
     // @TODO: merge in stuff from media_uri_value
   foreach ($items as $delta => $item) {