diff --git a/yamljs/yamljs-tests.ts b/yamljs/yamljs-tests.ts
index a2453edffd..9780c504d4 100644
--- a/yamljs/yamljs-tests.ts
+++ b/yamljs/yamljs-tests.ts
@@ -1,5 +1,7 @@
 /// <reference path="yamljs.d.ts" />
 
+import yamljs = require('yamljs');
+
 yamljs.load('yaml-testfile.yml');
 
 yamljs.parse('this_is_no_ymlstring');