diff --git a/lam/templates/lib/141_jquery-validationEngine-lang.php b/lam/templates/lib/141_jquery-validationEngine-lang.php
index 80bcfa0f..f90406ea 100644
--- a/lam/templates/lib/141_jquery-validationEngine-lang.php
+++ b/lam/templates/lib/141_jquery-validationEngine-lang.php
@@ -3,7 +3,7 @@
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
   Copyright (C) 2010         Cedric Dugas and Olivier Refalo
-                2011 - 2018  Roland Gruber
+                2011 - 2019  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
@@ -29,13 +29,13 @@ if (strtolower(session_module_name()) == 'files') {
 	session_save_path(dirname(__FILE__) . '/../../sess');
 }
 
-if (!headers_sent()) {
-	header('Content-Type: application/json; charset=utf-8');
-}
-
 @lam_start_session();
 setlanguage();
 
+if (!headers_sent()) {
+	header('Content-Type: application/javascript; charset=utf-8');
+}
+
 ?>
 
 (function($){