diff --git a/examples/custom-server-express/server.js b/examples/custom-server-express/server.js
index 667f88a9..40f87279 100644
--- a/examples/custom-server-express/server.js
+++ b/examples/custom-server-express/server.js
@@ -2,7 +2,7 @@ const express = require('express')
 const next = require('next')
 
 const dev = process.env.NODE_ENV !== 'production'
-const app = next({ dir: '.', dev })
+const app = next({ dev })
 const handle = app.getRequestHandler()
 
 app.prepare()