diff --git a/includes/media.fields.inc b/includes/media.fields.inc
index 40a2708..19eb359 100644
--- a/includes/media.fields.inc
+++ b/includes/media.fields.inc
@@ -163,6 +163,7 @@ function media_field_widget_form(&$form, &$form_state, $field, $instance, $langc
         'file_extensions' => isset($field_settings['file_extensions']) ? $field_settings['file_extensions'] : media_variable_get('file_extensions'),
         'max_filesize' => isset($field_settings['max_filesize']) ? $field_settings['max_filesize'] : 0,
         'uri_scheme' => !empty($field['settings']['uri_scheme']) ? $field['settings']['uri_scheme'] : file_default_scheme(),
+        'multiselect' => $field['cardinality'] == FIELD_CARDINALITY_UNLIMITED,
       ),
     ),
   );