=== modified file 'node_expire.views.inc'
--- node_expire.views.inc	2011-04-17 17:58:44 +0000
+++ node_expire.views.inc	2011-04-17 18:00:06 +0000
@@ -1,5 +1,4 @@
 <?php
-// $Id: node_expire.views.inc,v 1.1 2009/01/26 23:56:49 brmassa Exp $
 
 /**
  * @file
@@ -44,6 +43,7 @@
       'handler'         => 'views_handler_filter_boolean_operator',
       'label'           => t('Expired'),
       'type'            => 'yes-no',
+      'accept_null'     => TRUE,
     ),
     'sort' => array(
       'handler'         => 'views_handler_sort',