diff --git a/test/helper.js b/test/helper.js
index c3923f51e..7a590681b 100644
--- a/test/helper.js
+++ b/test/helper.js
@@ -35,7 +35,7 @@ global._ = _;
 global.expect = expect;
 global.sinon = sinon;
 global.grapesjs = require('./../src');
-global.Backbone = require('Backbone');
+global.Backbone = require('backbone');
 global.localStorage = localStorage;
 global.SVGElement = global.Element;
 window.$ = Backbone.$;