diff --git a/jquery.blockUI/jquery.blockUI-tests.ts b/jquery.blockUI/jquery.blockUI-tests.ts
index 96f8c30e47..746da73222 100644
--- a/jquery.blockUI/jquery.blockUI-tests.ts
+++ b/jquery.blockUI/jquery.blockUI-tests.ts
@@ -1,4 +1,7 @@
-$.blockUI();
+/// <reference path="../qunit/qunit.d.ts" />
+/// <reference path="jquery.blockUI.d.ts" />
+
+$.blockUI();
 var opt: JQBlockUIOptions = {
     css: { border: "1px solid red" },
     message: "test"