diff --git a/wp-admin/custom-background.php b/wp-admin/custom-background.php
index a23efda036..fd69447594 100644
--- a/wp-admin/custom-background.php
+++ b/wp-admin/custom-background.php
@@ -42,6 +42,11 @@ class Custom_Background {
 	 */
 	private $page = '';
 
+	/**
+	 * @var bool
+	 */
+	private $updated;
+
 	/**
 	 * Constructor - Register administration header callback.
 	 *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d80574ccbd..fb4f5cae1e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30185';
+$wp_version = '4.1-alpha-30186';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.