diff --git a/examples/hello/main.go b/examples/hello/main.go
index 2222a98..2ee3479 100644
--- a/examples/hello/main.go
+++ b/examples/hello/main.go
@@ -12,9 +12,7 @@ import (
 )
 
 func main() {
-	if err := agent.Listen(&agent.Options{
-		Addr: "127.0.0.1:4321",
-	}); err != nil {
+	if err := agent.Listen(nil); err != nil {
 		log.Fatal(err)
 	}
 	time.Sleep(time.Hour)