diff -r 8652fb38bb30 wp-includes/query.php
--- a/wp-includes/query.php	Sat Sep 10 12:24:09 2011 -0500
+++ b/wp-includes/query.php	Sun Sep 11 03:59:12 2011 -0500
@@ -2317,7 +2317,7 @@
 			$orderby = '';
 		} else {
 			// Used to filter values
-			$allowed_keys = array('author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count');
+			$allowed_keys = array('name', 'author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand', 'comment_count');
 			if ( !empty($q['meta_key']) ) {
 				$allowed_keys[] = $q['meta_key'];
 				$allowed_keys[] = 'meta_value';