diff --git a/index.js b/index.js
index 9f4743d..2b08f2d 100644
--- a/index.js
+++ b/index.js
@@ -31,6 +31,7 @@ function Choo (opts) {
     toString: toString,
     use: register,
     mount: mount,
+    router: router,
     route: route,
     start: start
   }