diff --git a/admin/configuration.php b/admin/configuration.php
index 3fc2f2c6e..c6d733086 100644
--- a/admin/configuration.php
+++ b/admin/configuration.php
@@ -327,6 +327,8 @@ switch ($page['section'])
 
     function order_by_is_local()
     {
+      $conf = array();
+      include(PHPWG_ROOT_PATH . 'include/config_default.inc.php');
       @include(PHPWG_ROOT_PATH. 'local/config/config.inc.php');
       if (isset($conf['local_dir_site']))
       {