Index: menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.83
diff -u -p -F^f -r1.83 menu.inc
--- menu.inc	11 Aug 2005 12:57:41 -0000	1.83
+++ menu.inc	21 Aug 2005 19:31:37 -0000
@@ -347,7 +347,7 @@ function menu_execute_active_handler() {
   // We found one, and are allowed to execute it.
   $arguments = array_key_exists('callback arguments', $menu['items'][$mid]) ? $menu['items'][$mid]['callback arguments'] : array();
   $arg = substr($_GET['q'], strlen($menu['items'][$mid]['path']) + 1);
-  if (strlen($arg)) {
+  if (strlen($arg) && is_array($arguments)) {
     $arguments = array_merge($arguments, explode('/', $arg));
   }