diff --git a/head.sub.php b/head.sub.php
index 71fbb1c81..2c30f6ddc 100644
--- a/head.sub.php
+++ b/head.sub.php
@@ -79,7 +79,9 @@ var g5_bo_table  = "<?php echo isset($bo_table)?$bo_table:''; ?>";
 var g5_sca       = "<?php echo isset($sca)?$sca:''; ?>";
 var g5_editor    = "<?php echo ($config['cf_editor'] && $board['bo_use_dhtml_editor'])?$config['cf_editor']:''; ?>";
 var g5_cookie_domain = "<?php echo G5_COOKIE_DOMAIN ?>";
+<?php if(defined('G5_USE_SHOP') && G5_USE_SHOP) { ?>
 var g5_shop_url = "<?php echo G5_SHOP_URL; ?>";
+<?php } ?>
 <?php if(defined('G5_IS_ADMIN')) { ?>
 var g5_admin_url = "<?php echo G5_ADMIN_URL; ?>";
 <?php } ?>