diff --git a/packages/react-scripts/scripts/start.js b/packages/react-scripts/scripts/start.js
index 12cce8ed313..a5cfa5299c4 100644
--- a/packages/react-scripts/scripts/start.js
+++ b/packages/react-scripts/scripts/start.js
@@ -83,7 +83,7 @@ function run(port) {
   addWebpackMiddleware(devServer);
 
   // Launch WebpackDevServer.
-  devServer.listen(port, err => {
+  devServer.listen(port, host, err => {
     if (err) {
       return console.log(err);
     }