diff --git a/frontend/js/app/nginx/proxy/form.ejs b/frontend/js/app/nginx/proxy/form.ejs
index 09996692..ba37a734 100644
--- a/frontend/js/app/nginx/proxy/form.ejs
+++ b/frontend/js/app/nginx/proxy/form.ejs
@@ -114,7 +114,7 @@
                                 </select>
                             </div>
                         </div>
-                        <div class="col-sm-12 col-md-12">
+                        <div class="col-sm-12 col-md-12 letsencrypt">
                             <div class="form-group">
                                 <label class="form-label"><%- i18n('all-hosts', 'ssl-key-type') %></label>
                                 <select name="ssl_key_type" class="form-control custom-select">