diff --git a/cms/static/js/views/pages/container_subviews.js b/cms/static/js/views/pages/container_subviews.js
index b32c86ae8dec..c6872290ceb1 100644
--- a/cms/static/js/views/pages/container_subviews.js
+++ b/cms/static/js/views/pages/container_subviews.js
@@ -523,7 +523,7 @@ function($, _, gettext, BaseView, ViewUtils, XBlockViewUtils, MoveXBlockUtils, H
                 tagValueElement.className = 'tagging-label-value';
 
                 tagContentElement.appendChild(tagValueElement);
-                parentElement.appendChild(tagContentElement);
+                parentElement?.appendChild(tagContentElement);
 
                 if (tag.children.length > 0) {
                     var tagIconElement = document.createElement('span'),