diff --git a/lam/templates/login.php b/lam/templates/login.php
index 27ef1959..dfebfa44 100644
--- a/lam/templates/login.php
+++ b/lam/templates/login.php
@@ -15,11 +15,10 @@ use \Ldap;
 use \htmlResponsiveRow;
 use \htmlDiv;
 /*
-$Id$
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
   Copyright (C) 2003 - 2006  Michael Duergner
-                2005 - 2017  Roland Gruber
+                2005 - 2018  Roland Gruber
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -501,8 +500,9 @@ if(isset($_POST['checklogin'])) {
 		$searchFilter = str_replace('%USER%', $username ,$searchFilter);
 		$searchDN = '';
 		$searchPassword = '';
-		if (!empty($_SESSION['config']->getLoginSearchDN())) {
-			$searchDN = $_SESSION['config']->getLoginSearchDN();
+		$configLoginSearchDn = $_SESSION['config']->getLoginSearchDN();
+		if (!empty($configLoginSearchDn)) {
+			$searchDN = $configLoginSearchDn;
 			$searchPassword = $_SESSION['config']->getLoginSearchPassword();
 		}
 		$searchSuccess = true;