diff --git a/i18next-express-middleware/i18next-express-middleware-tests.ts b/i18next-express-middleware/i18next-express-middleware-tests.ts
new file mode 100644
index 000000000..54e47b03c
--- /dev/null
+++ b/i18next-express-middleware/i18next-express-middleware-tests.ts
@@ -0,0 +1,5 @@
+///<reference path="i18next-express-middleware.d.ts"/>
+
+//import express = require("express");
+//import i18next = require("i18next");
+import middleware = require("i18next-express-middleware");
diff --git a/i18next-express-middleware/i18next-express-middleware.d.ts b/i18next-express-middleware/i18next-express-middleware.d.ts
new file mode 100644
index 000000000..ad9f0a95d
--- /dev/null
+++ b/i18next-express-middleware/i18next-express-middleware.d.ts
@@ -0,0 +1,33 @@
+// Type definitions for i18next-express-middleware
+// Project: http://i18next.com/
+// Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+///<reference path="../express/express.d.ts"/>
+
+declare module "i18next-express-middleware" {
+    import express = require("express");
+    export interface i18nextExpressMiddleware {
+        LanguageDetector(): express.Handler;
+        missingKeyHandler(): express.Handler;
+    }
+
+    interface LanguageDetectorOptions {
+        caches: boolean;
+        cookieDomain: string;
+        cookieExpirationDate: Date;
+        lookupCookie: string;
+        lookupFromPathIndex: number;
+        lookupQuerystring: string;
+        lookupSession: string;
+        order: Array<string>;
+    }
+
+    export class LanguageDetector {
+        constructor(services?: any, options?: Object, allOptions?: Object);
+        addDetector(detector: any): void;
+        cacheUserLanguage(req: express.Request, res: express.Response, detectionOrder: any): void;
+        detect(req: express.Request, res: express.Response, detectionOrder: any): void;
+        init(services: any, options?: Object, allOptions?: Object): void;
+    }
+}