Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.406
diff -u -p -r1.406 system.module
--- modules/system/system.module	24 Nov 2006 10:57:20 -0000	1.406
+++ modules/system/system.module	24 Nov 2006 22:38:55 -0000
@@ -1083,7 +1083,7 @@ function system_settings_form_submit($fo
   $op = isset($form_values['op']) ? $form_values['op'] : '';
 
   // Exclude unnecessary elements.
-  unset($form_values['submit'], $form_values['reset'], $form_values['form_id']);
+  unset($form_values['submit'], $form_values['reset'], $form_values['form_id'], $form_values['op'], $form_values['form_token']);
 
   foreach ($form_values as $key => $value) {
     if ($op == t('Reset to defaults')) {