diff --git a/assets/js/ticket.js b/assets/js/ticket.js
index d2ca407..790e199 100644
--- a/assets/js/ticket.js
+++ b/assets/js/ticket.js
@@ -1572,7 +1572,7 @@ function submitReply(parentCommentId) {
                         <div class="comment-text" id="comment-text-${data.comment_id}" ${isMarkdownEnabled ? 'data-markdown' : ''}>
                             ${displayText}
                         </div>
-                        <textarea class="comment-edit-raw is-hidden" id="comment-raw-${data.comment_id}">${commentText.replace(/</g, '&lt;').replace(/>/g, '&gt;')}</textarea>
+                        <textarea class="comment-edit-raw is-hidden" id="comment-raw-${data.comment_id}">${lt.escHtml(commentText)}</textarea>
                     </div>
                 `;