=== modified file 'modules/system/system.module'
--- modules/system/system.module	2010-04-05 05:22:15 +0000
+++ modules/system/system.module	2010-04-07 02:57:37 +0000
@@ -1013,6 +1013,8 @@ function system_menu() {
     'access arguments' => array('administer site configuration'),
     'type' => MENU_CALLBACK,
     'file' => 'system.admin.inc',
+    'theme callback' => 'variable_get',
+    'theme arguments' => array('theme'),
   );
   $items['admin/reports/status/php'] = array(
     'title' => 'PHP',