Ticket #17670: 17670.diff

wp-includes/post.php

@@ -3163 +3163 @@
                         $post_parent = $curpage->post_parent;
                         $curpage = wp_cache_get( $post_parent, 'posts' );
                         if ( false === $curpage )
-                                $curpage = $wpdb->get_row( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE ID = %d and post_type = %s", $post_parent, $post_type ) );
+                                $curpage = $wpdb->get_row( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE ID = %d", $post_parent ) );
                         $path = '/' . $curpage->post_name . $path;
                 }