Ticket #40354: 40354.diff

src/wp-includes/js/mediaelement/wp-mediaelement.js

@@ -44 +44 @@
                         $( '.wp-audio-shortcode, .wp-video-shortcode' )
                                 .not( '.mejs-container' )
                                 .filter(function () {
-                                        return ! $( this ).parent().hasClass( '.mejs-mediaelement' );
+                                        return ! $( this ).parent().hasClass( 'mejs-mediaelement' );
                                 })
                                 .mediaelementplayer( settings );
                 }