diff --git a/app/assets/javascripts/notes/components/note_actions/reply_button.vue b/app/assets/javascripts/notes/components/note_actions/reply_button.vue
index be8e42af9ea..1aeb07d6608 100644
--- a/app/assets/javascripts/notes/components/note_actions/reply_button.vue
+++ b/app/assets/javascripts/notes/components/note_actions/reply_button.vue
@@ -19,7 +19,7 @@ export default {
     <gl-button
       ref="button"
       v-gl-tooltip
-      class="note-action-button"
+      class="note-action-button js-note-action-reply"
       variant="transparent"
       :title="__('Reply to comment')"
       @click="$emit('startReplying')"