diff --git a/addons/website_mail/views/website_mail.xml b/addons/website_mail/views/website_mail.xml
index 794c5d72731..56274e997f9 100644
--- a/addons/website_mail/views/website_mail.xml
+++ b/addons/website_mail/views/website_mail.xml
@@ -69,7 +69,7 @@
                                     </div>
                                 </li>
                                 <form id="post" t-attf-action="/blog/#{ blog_id.res_id }/#{ blog_id.id }/post#post" method="POST" class="form-horizontal text-center" groups="group_website_mail_reply">
-                                    <textarea rows="4" placeholder="Your comment" class="col-md-7 form-control"></textarea>
+                                    <textarea rows="4" placeholder="Your comment" class="col-md-7 form-control mb8"></textarea>
                                     <button type="submit" class="btn btn-default">Post your comment</button>
                                 </form>
                             </ul>