diff --git a/index.php b/index.php
index 8013f19d..c9cf348d 100644
--- a/index.php
+++ b/index.php
@@ -28,10 +28,7 @@ function contacts_namesort($a,$b){
 require_once('../../lib/base.php');
 
 // Check if we are a user
-if( !OC_User::isLoggedIn()){
-	header( 'Location: '.OC_Helper::linkTo( '', 'index.php' ));
-	exit();
-}
+OC_Util::checkLoggedIn();
 
 // Check if the user has an addressbook
 $addressbooks = OC_Contacts_Addressbook::all(OC_User::getUser());