Index: wp-includes/query.php
===================================================================
--- wp-includes/query.php	(revision 22350)
+++ wp-includes/query.php	(working copy)
@@ -2196,7 +2196,7 @@
 			$searchand = '';
 			foreach( (array) $q['search_terms'] as $term ) {
 				$term = esc_sql( like_escape( $term ) );
-				$search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))";
+				$search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_name LIKE '{$n}{$term}{$n}'))";
 				$searchand = ' AND ';
 			}