diff --git a/http-errors/http-errors-tests.d.ts b/http-errors/http-errors-tests.d.ts
index f6fad5ac4e..9005c7ef41 100644
--- a/http-errors/http-errors-tests.d.ts
+++ b/http-errors/http-errors-tests.d.ts
@@ -1,3 +1,4 @@
+// Type definitions for http-errors-tests.ts
 declare namespace Express {
     export interface Request {
         user?: any
diff --git a/http-errors/http-errors-tests.ts b/http-errors/http-errors-tests.ts
index e5e0c97567..f8e0ea9b8c 100644
--- a/http-errors/http-errors-tests.ts
+++ b/http-errors/http-errors-tests.ts
@@ -1,6 +1,6 @@
 /// <reference path="http-errors.d.ts" />
 /// <reference path="../express/express.d.ts" />
-/// <reference path="../http-errors/http-errors-tests.d.ts" />
+/// <reference path="../http-errors/http-errors-tests.x.ts" />
 
 import * as createError from 'http-errors';
 import * as express from 'express';