diff --git a/adm/shop_admin/itemcopy.php b/adm/shop_admin/itemcopy.php
index 3b035889e..19976dd54 100644
--- a/adm/shop_admin/itemcopy.php
+++ b/adm/shop_admin/itemcopy.php
@@ -32,6 +32,8 @@ include_once(G5_PATH.'/head.sub.php');
 
 <script>
 // <![CDATA[
+var g5_admin_csrf_token_key = "<?php echo (function_exists('admin_csrf_token_key')) ? admin_csrf_token_key() : ''; ?>";
+
 function _copy(link)
 {
     var new_it_id = document.getElementById('new_it_id').value;