diff --git a/wp-includes/js/mediaelement/wp-mediaelement.js b/wp-includes/js/mediaelement/wp-mediaelement.js
index fe47d2f0c1..159794091b 100644
--- a/wp-includes/js/mediaelement/wp-mediaelement.js
+++ b/wp-includes/js/mediaelement/wp-mediaelement.js
@@ -56,6 +56,6 @@
 
 	window.wp.mediaelement = new wpMediaElement();
 
-	$( document ).on( 'ready', window.wp.mediaelement.initialize );
+	$( window.wp.mediaelement.initialize );
 
 })( window, jQuery );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index df0711c513..46071dd11e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-36287';
+$wp_version = '4.5-alpha-36288';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.