diff --git a/static/templates/dialog_widget.hbs b/static/templates/dialog_widget.hbs
index 876038426d..cca2f83f43 100644
--- a/static/templates/dialog_widget.hbs
+++ b/static/templates/dialog_widget.hbs
@@ -1,6 +1,6 @@
 <div class="micromodal" id="dialog_widget_modal" aria-hidden="true">
     <div class="modal__overlay" tabindex="-1" data-micromodal-close>
-        <div {{#if id}}id="{{id}}" {{/if}}class="modal__container" role="dialog" aria-modal="true" aria-labelledby="dialog_title">
+        <div {{#if id}}id="{{id}}" {{/if}}class="modal__container" role="dialog" aria-modal="true" aria-labelledby="dialog_title" data-simplebar>
             <header class="modal__header">
                 <h1 class="modal__title dialog_heading">
                     {{{ heading_text }}}