diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 62cee05235..40a41c0215 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -498,10 +498,10 @@ class Walker_Page extends Walker {
 		return $output;
 	}
 
-	function start_el($output, $page, $depth, $current_page, $show_date, $date_format) {
+	function start_el($output, $page, $depth, $current_page, $args) {
 		if ( $depth )
 			$indent = str_repeat("\t", $depth);
-
+		extract($args);
 		$css_class = 'page_item';
 		$_current_page = get_page( $current_page );
 		if ( $page->ID == $current_page )
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index 5ecebd90a1..e05408ee1a 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -289,7 +289,7 @@ function wp_list_pages($args = '') {
 
 		global $wp_query;
 		$current_page = $wp_query->get_queried_object_id();
-		$output .= walk_page_tree($pages, $r['depth'], $current_page, $r['show_date'], $r['date_format']);
+		$output .= walk_page_tree($pages, $r['depth'], $current_page, $r);
 
 		if ( $r['title_li'] )
 			$output .= '</ul></li>';