diff --git a/lib/generators/react_on_rails/templates/base/base/Procfile.dev.tt b/lib/generators/react_on_rails/templates/base/base/Procfile.dev.tt
index 8ac16351b..0de283d3a 100644
--- a/lib/generators/react_on_rails/templates/base/base/Procfile.dev.tt
+++ b/lib/generators/react_on_rails/templates/base/base/Procfile.dev.tt
@@ -1,2 +1,2 @@
-web: rails s
+web: rails s -p 3000
 client: sh -c 'rm app/assets/webpack/* || true && cd client && npm run build:development'