diff --git a/lib/application.js b/lib/application.js
index 4c4dab4..d68a995 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -134,7 +134,7 @@ module.exports = class Application extends Emitter {
       const onerror = err => ctx.onerror(err);
       const handleResponse = () => respond(ctx);
       onFinished(res, onerror);
-      fn(ctx).then(handleResponse).catch(onerror);
+      return fn(ctx).then(handleResponse).catch(onerror);
     };
 
     return handleRequest;