diff --git a/mod/settings.php b/mod/settings.php
index 0c3b23a44b..c7659212bf 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -1,5 +1,6 @@
 <?php
 
+require_once('include/group.php');
 
 function get_theme_config_file($theme){
 	$a = get_app();