diff --git a/wp-admin/menu-header.php b/wp-admin/menu-header.php
index c599fd1be8..8aa81fe3e5 100644
--- a/wp-admin/menu-header.php
+++ b/wp-admin/menu-header.php
@@ -60,7 +60,7 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 			$first = false;
 		}
 
-		$submenu_items = false;
+		$submenu_items = array();
 		if ( ! empty( $submenu[$item[2]] ) ) {
 			$class[] = 'wp-has-submenu';
 			$submenu_items = $submenu[$item[2]];
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 12ec328691..11f1ad9bec 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31363';
+$wp_version = '4.2-alpha-31364';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.