Index: wp-includes/query.php
===================================================================
--- wp-includes/query.php	(revision 4813)
+++ wp-includes/query.php	(working copy)
@@ -619,7 +619,6 @@
 
 		if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) {
 			$this->is_page = true;
-			$this->is_home = false;
 			$q['page_id'] = get_option('page_on_front');
 		}