diff --git a/addons/website_form/static/src/snippets/s_website_form/options.js b/addons/website_form/static/src/snippets/s_website_form/options.js
index 582791f381f5f93e854b33ad4d3277df82894984..bff1229bf9411824660712d81dc3e106f545ade1 100644
--- a/addons/website_form/static/src/snippets/s_website_form/options.js
+++ b/addons/website_form/static/src/snippets/s_website_form/options.js
@@ -535,7 +535,7 @@ options.registry.WebsiteFormEditor = FormEditor.extend({
             return;
         }
         // Add Action select
-        const firstOption = uiFragment.querySelector(':first-child');
+        const firstOption = uiFragment.childNodes[0];
         uiFragment.insertBefore(this.selectActionEl.cloneNode(true), firstOption);
 
         // Add Action related options