diff --git a/wp-admin/includes/theme.php b/wp-admin/includes/theme.php
index 1600aa70b..f645d4408 100644
--- a/wp-admin/includes/theme.php
+++ b/wp-admin/includes/theme.php
@@ -20,6 +20,7 @@ function current_theme_info() {
 		delete_option( 'current_theme' );
 		$current_theme = get_current_theme();
 	}
+	$ct = new stdClass;
 	$ct->name = $current_theme;
 	$ct->title = $themes[$current_theme]['Title'];
 	$ct->version = $themes[$current_theme]['Version'];
diff --git a/wp-includes/class-wp-admin-bar.php b/wp-includes/class-wp-admin-bar.php
index af5a25c9c..02156c1b3 100644
--- a/wp-includes/class-wp-admin-bar.php
+++ b/wp-includes/class-wp-admin-bar.php
@@ -164,6 +164,8 @@ class WP_Admin_Bar {
 	function add_node( $parent_id, &$menu, $child ) {
 		foreach( $menu as $id => $menu_item ) {
 			if ( $parent_id == $id ) {
+				if ( ! isset( $menu->{$parent_id}['children'] ) )
+					$menu->{$parent_id}['children'] = new stdClass;
 				$menu->{$parent_id}['children']->{$child['id']} = $child;
 				$child = null;
 				return true;