diff --git a/head.sub.php b/head.sub.php
index 10849a19e..aa361b956 100644
--- a/head.sub.php
+++ b/head.sub.php
@@ -56,7 +56,8 @@ var g4_charset   = "<?=$g4['charset']?>";
 var g4_cookie_domain = "<?=$g4['cookie_domain']?>";
 var g4_is_gecko  = navigator.userAgent.toLowerCase().indexOf("gecko") != -1;
 var g4_is_ie     = navigator.userAgent.toLowerCase().indexOf("msie") != -1;
-<? if ($is_admin) { echo "var g4_admin = '{$g4['admin']}';"; } ?>
+<? if ($is_admin) { echo 'var g4_admin_url = "'.G4_ADMIN_URL.'";'; } 
+?>
 </script>
 <script src="<?=G4_JS_URL?>/jquery-1.8.3.min.js"></script>
 <script src="<?=G4_JS_URL?>/common.js"></script>