diff --git a/async/async-tests.ts b/async/async-tests.ts
index fefc3fd2a2..ae92bbff98 100644
--- a/async/async-tests.ts
+++ b/async/async-tests.ts
@@ -135,7 +135,7 @@ async.waterfall([
 ], function (err, result) { });
 
 
-var q = async.queue(function (task, callback) {
+var q = async.queue(function (task: any, callback) {
     console.log('hello ' + task.name);
     callback();
 }, 2);