diff --git a/express-unless/express-unless-tests.ts b/express-unless/express-unless-tests.ts
new file mode 100644
index 000000000..a6d57d486
--- /dev/null
+++ b/express-unless/express-unless-tests.ts
@@ -0,0 +1,12 @@
+/// <reference path="./express-unless.d.ts" />
+
+import express = require('express');
+import unless = require('express-unless');
+
+var app = express();
+
+var middleware:unless.RequestHandler = function (req, res, next) {
+    next();
+}
+middleware.unless = unless;
+app.use(middleware.unless({ method: 'OPTIONS' }));
\ No newline at end of file
diff --git a/express-unless/express-unless.d.ts b/express-unless/express-unless.d.ts
new file mode 100644
index 000000000..e3d81ed13
--- /dev/null
+++ b/express-unless/express-unless.d.ts
@@ -0,0 +1,26 @@
+// Type definitions for express-unless
+// Project: https://www.npmjs.org/package/express-unless
+// Definitions by: Wonshik Kim <https://github.com/wokim/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../express/express.d.ts" />
+
+declare module "express-unless" {
+    import express = require('express');
+
+    function unless(options:unless.Options): express.RequestHandler;
+
+    module unless {
+        export interface Options {
+            custom?: (req: express.Request) => boolean;
+            path?: any; // TODO: union type 'string|string[]' is not supported yet
+            ext?: any; // TODO: union type 'string|string[]' is not supported yet
+            method?: any; // TODO: union type 'string|string[]' is not supported yet
+        }
+        export interface RequestHandler extends express.RequestHandler {
+            unless?: typeof unless;
+        }
+    }
+
+    export = unless;
+}
\ No newline at end of file