diff --git a/app/views/comments/_comment.html.erb b/app/views/comments/_comment.html.erb
index b0c60941a..ad6114457 100644
--- a/app/views/comments/_comment.html.erb
+++ b/app/views/comments/_comment.html.erb
@@ -87,7 +87,7 @@
         </div>
       <% end %>
 
-      <div class="comment-children">
+      <div id="<%= dom_id(comment) %>_children" class="comment-children">
         <% child_comments_of(comment).each do |child| %>
           <%= render 'comments/comment', comment: child %>
         <% end %>