diff --git a/tests/js/test.route.js b/tests/js/test.route.js
index <HASH>..<HASH> 100644
--- a/tests/js/test.route.js
+++ b/tests/js/test.route.js
@@ -14,7 +14,7 @@ describe('route()', function() {
     
     it('Should return missing params error when run with missing params on a route with required params', function() {
         assert.throws(
-            function(){ route.route('posts.show') },
+            () => route.route('posts.show'),
             /\"id\" key is required/
         );
     });
Add lambda back in now that CodeShip node is upgraded.