diff --git a/tests/javascript_newsletter_editor/mochaTestHelper.js b/tests/javascript_newsletter_editor/mochaTestHelper.js
index 47b7b6205a..76def29272 100644
--- a/tests/javascript_newsletter_editor/mochaTestHelper.js
+++ b/tests/javascript_newsletter_editor/mochaTestHelper.js
@@ -36,6 +36,8 @@ global.window.jQuery = jQuery;
 testHelpers.loadScript('tests/javascript_newsletter_editor/testBundles/vendor.js', global.window);
 const Handlebars = global.window.Handlebars;
 global.Handlebars = global.window.Handlebars;
+// Fix global access element. It is used in tinymce
+global.Element = global.window.Element;
 
 // Stub out interact.js
 global.interact = function () {