Index: modules/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system.module,v
retrieving revision 1.229
diff -u -r1.229 system.module
--- modules/system.module	28 Aug 2005 18:17:47 -0000	1.229
+++ modules/system.module	8 Sep 2005 15:54:55 -0000
@@ -574,6 +574,7 @@
     }
 
     menu_rebuild();
+    _block_rehash();
 
     drupal_set_message(t('The configuration options have been saved.'));
     drupal_goto($_GET['q']);