diff --git a/gridstack/gridstack-tests.ts b/gridstack/gridstack-tests.ts
index 9d36f48a5..b3167ea5d 100644
--- a/gridstack/gridstack-tests.ts
+++ b/gridstack/gridstack-tests.ts
@@ -1,4 +1,8 @@
-// Type definitions for Gridstack
+/// <reference path="../jquery/jquery.d.ts"/>
+/// <reference path="gridstack.d.ts" />
+
+
+// Type definitions for Gridstack
 // Project: http://troolee.github.io/gridstack.js/
 // Definitions by: Pascal Senn <https://github.com/PascalSenn/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped