--- includes/common.inc	2009-05-14 10:23:14.000000000 +0200
+++ includes/common.inc	2009-05-15 00:43:58.000000000 +0200
@@ -3223,7 +3223,7 @@ function drupal_alter($type, &$data) {
 function drupal_get_page($content = NULL) {
   // Initialize page array with defaults. @see hook_elements() - 'page' element.
   $page = element_info('page');
-  $page['content'] = is_array($content) ? $content : array('main' => array('#markup' => $content));
+  $page['content_page'] = is_array($content) ? $content : array('main' => array('#markup' => $content));
 
   return $page;
 }