diff --git a/README.md b/README.md
index fb51ebb..9f55599 100644
--- a/README.md
+++ b/README.md
@@ -97,8 +97,8 @@ serve({
 
   // execute function after server has begun listening
   onListening: function (server) {
-    const address = server.getAddress()
-    const host = address.host === '::' ? 'localhost' : address.host
+    const address = server.address()
+    const host = address.address === '::' ? 'localhost' : address.address
     // by using a bound function, we can access options as `this`
     const protocol = this.https ? 'https' : 'http'
     console.log(`Server listening at ${protocol}://${host}:${address.port}/`)