Index: modules/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/Attic/system.module,v
retrieving revision 1.320.2.16
diff -u -p -r1.320.2.16 system.module
--- modules/system.module	21 Dec 2006 19:21:58 -0000	1.320.2.16
+++ modules/system.module	31 Dec 2006 19:22:33 -0000
@@ -782,7 +782,7 @@ function system_settings_form_submit($fo
   $op = isset($_POST['op']) ? $_POST['op'] : '';
 
   // Exclude unnecessary elements.
-  unset($values['submit'], $values['reset'], $values['form_id']);
+  unset($values['submit'], $values['reset'], $values['form_id'], $values['form_token']);
 
   foreach ($values as $key => $value) {
     if ($op == t('Reset to defaults')) {