diff --git a/build/dev-server.js b/build/dev-server.js
index b7eeae3a7a0c6c77f97581af3e46e345c378c03b..9c3d4e00e3f3084e8e201a8f4859330339e48a18 100644
--- a/build/dev-server.js
+++ b/build/dev-server.js
@@ -66,5 +66,5 @@ module.exports = app.listen(port, function (err) {
   }
   var uri = 'http://localhost:' + port
   console.log('Listening at ' + uri + '\n')
-  opn(uri)
+  // opn(uri)
 })