diff --git a/backend/main.w b/backend/main.w
index a8616a2..78dc422 100644
--- a/backend/main.w
+++ b/backend/main.w
@@ -5,6 +5,7 @@ bring http;
let react = new ex.ReactApp(
projectPath: "../client",
+ localPort: 4001
);
let api = new cloud.Api(
diff --git a/client/public/index.html b/client/public/index.html
index aa069f2..8e494e3 100644
--- a/client/public/index.html
+++ b/client/public/index.html
@@ -25,6 +25,7 @@
Learn how to configure a non-root public URL by running `npm run build`.
-->