Index: includes/batch.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/batch.inc,v
retrieving revision 1.14.2.1
diff -u -p -r1.14.2.1 batch.inc
--- includes/batch.inc	6 Aug 2010 11:52:19 -0000	1.14.2.1
+++ includes/batch.inc	16 Aug 2010 19:07:29 -0000
@@ -133,7 +133,7 @@ function _batch_progress_page_nojs() {
     // followed by the error message.
     ob_start();
     $fallback = $current_set['error_message'] .'<br/>'. $batch['error_message'];
-    drupal_maintenance_theme();
+    require_once './includes/theme.maintenance.inc';
     $fallback = theme('maintenance_page', $fallback, FALSE, FALSE);
 
     // We strip the end of the page using a marker in the template, so any