diff --git a/http-errors/http-errors-tests.d.ts b/http-errors/http-errors-tests.d.ts
new file mode 100644
index 0000000000..f6fad5ac4e
--- /dev/null
+++ b/http-errors/http-errors-tests.d.ts
@@ -0,0 +1,5 @@
+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 4403259008..e5e0c97567 100644
--- a/http-errors/http-errors-tests.ts
+++ b/http-errors/http-errors-tests.ts
@@ -1,5 +1,6 @@
 /// <reference path="http-errors.d.ts" />
 /// <reference path="../express/express.d.ts" />
+/// <reference path="../http-errors/http-errors-tests.d.ts" />
 
 import * as createError from 'http-errors';
 import * as express from 'express';
@@ -11,7 +12,6 @@ app.use(function (req, res, next) {
     next();
 });
 
-
 /* Examples taken from https://github.com/jshttp/http-errors/blob/1.3.1/test/test.js */
 
 // createError(status)
diff --git a/http-errors/http-errors.d.ts b/http-errors/http-errors.d.ts
index 745e313995..48d7469ba4 100644
--- a/http-errors/http-errors.d.ts
+++ b/http-errors/http-errors.d.ts
@@ -3,12 +3,6 @@
 // Definitions by: Tanguy Krotoff <https://github.com/tkrotoff>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-declare namespace Express {
-    export interface Request {
-        user?: any
-    }
-}
-
 declare module 'http-errors' {
     namespace createHttpError {