Ticket #23926: 23926.12.diff

src/wp-admin/includes/media.php

@@ -2466 +2466 @@
                         <?php
                 endif;
 
-        if ( preg_match( '#^audio|video#', $post->post_mime_type ) ):
+        if ( preg_match( '#^(audio|video)#', $post->post_mime_type ) ):
 
                 /**
                  * Audio and video metadata fields to be shown in the publish meta box.