diff --git a/addons/website_form/static/src/js/website_form_editor.js b/addons/website_form/static/src/js/website_form_editor.js
index 6ee47ab707d..5acaf0df0d6 100644
--- a/addons/website_form/static/src/js/website_form_editor.js
+++ b/addons/website_form/static/src/js/website_form_editor.js
@@ -484,6 +484,10 @@ odoo.define('website_form_editor', function (require) {
                 if (this.$target.hasClass('o_website_form_field_hidden')) {
                     $new_select.addClass('o_website_form_field_hidden');
                 }
+                var labelClasses = this.$target.find('> div:first').attr('class');
+                var inputClasses = this.$target.find('> div:last').attr('class');
+                $new_select.find('> div:first').attr('class', labelClasses);
+                $new_select.find('> div:last').attr('class', inputClasses);
                 this.$target.replaceWith($new_select);
             }
         }