diff --git a/offline.php b/offline.php
index 24f8401a14c9710de2f9bf7af3a13985a47a099d..8c09a20010c4e6348e625ff7688ecab912bb0824 100644
--- a/offline.php
+++ b/offline.php
@@ -14,7 +14,7 @@
     vim: expandtab sw=4 ts=4 sts=4:
 **********************************************************************/
 require_once('client.inc.php');
-if($cfg && !$cfg->isHelpDeskOffline()) { 
+if(is_object($ost) && $ost->isSystemOnline()) {
     @header('Location: index.php'); //Redirect if the system is online.
     include('index.php');
     exit;