diff --git a/templates/field/timeline.html.twig b/templates/field/timeline.html.twig
index e0084efe4..b12d3f825 100644
--- a/templates/field/timeline.html.twig
+++ b/templates/field/timeline.html.twig
@@ -4,8 +4,11 @@
  * Theme override for the timeline field template.
  */
 #}
+
+<div class="ecl-editor">
 {{ pattern('timeline', {
   'limit': limit,
   'button_label': show_more,
   'items': items,
 }) }}
+</div>