diff --git a/koa-favicon/koa-favicon-tests.ts b/koa-favicon/koa-favicon-tests.ts
new file mode 100644
index 0000000000..5f2e0ac3f0
--- /dev/null
+++ b/koa-favicon/koa-favicon-tests.ts
@@ -0,0 +1,11 @@
+/// <reference path="../koa/koa.d.ts" />
+/// <reference path="koa-favicon.d.ts" />
+
+import * as Koa from "koa";
+import favicon = require("koa-favicon");
+
+const app = new Koa();
+
+app.use(favicon(__dirname + "/public/favicon.ico"));
+
+app.listen(80)
\ No newline at end of file
diff --git a/koa-favicon/koa-favicon.d.ts b/koa-favicon/koa-favicon.d.ts
new file mode 100644
index 0000000000..618683fc76
--- /dev/null
+++ b/koa-favicon/koa-favicon.d.ts
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+// Type definitions for koa-favicon v2.x
+// Project: https://github.com/koajs/favicon
+// Definitions by: Jerry Chin <https://github.com/hellopao/>
+// Definitions: https://github.com/hellopao/DefinitelyTyped
+
+/* =================== USAGE ===================
+
+    import favicon = require("koa-favicon");
+    var Koa = require('koa');
+
+    var app = new Koa();
+    app.use(favicon(__dirname + '/public/favicon.ico'));
+
+ =============================================== */
+
+/// <reference path="../koa/koa.d.ts" />
+
+declare module "koa-favicon" {
+
+    import * as Koa from "koa";
+
+    /**
+     * Returns a middleware serving the favicon found on the given path.
+     */
+    function favicon(path: string, options?: {
+
+        /**
+         * cache-control max-age directive in ms, defaulting to 1 day.
+         */
+        maxage?: number;
+
+    }): { (ctx: Koa.Context, next?: () => any): any };
+
+    export = favicon;
+}