diff --git a/src/wp-includes/js/mediaelement/wp-mediaelement.css b/src/wp-includes/js/mediaelement/wp-mediaelement.css
index 183bb7184f..1c95fa3b8d 100644
--- a/src/wp-includes/js/mediaelement/wp-mediaelement.css
+++ b/src/wp-includes/js/mediaelement/wp-mediaelement.css
@@ -98,6 +98,7 @@
 }
 
 .wp-playlist-caption {
+	display: block;
 	max-width: 88%;
 	overflow: hidden;
 	text-overflow: ellipsis;