diff --git a/examples/_server/main.go b/examples/_server/main.go
index 3cbbd87ea..7d5544f57 100644
--- a/examples/_server/main.go
+++ b/examples/_server/main.go
@@ -32,7 +32,10 @@ import (
 	"time"
 )
 
-var port = flag.Int("port", 8000, "port number")
+var (
+	host = flag.String("host", "", "host name")
+	port = flag.Int("port", 8000, "port number")
+)
 
 func init() {
 	flag.Parse()
@@ -165,6 +168,10 @@ func main() {
 	http.HandleFunc("/main.js", serveMainJS)
 	http.HandleFunc("/main.js.map", serveMainJSMap)
 	http.HandleFunc("/", serveFileHandle)
-	fmt.Printf("http://localhost:%d/\n", *port)
-	log.Fatal(http.ListenAndServe("localhost:"+strconv.Itoa(*port), nil))
+	if *host == "" {
+		fmt.Printf("http://127.0.0.1:%d/\n", *port)
+	} else {
+		fmt.Printf("http://%s:%d/\n", *host, *port)
+	}
+	log.Fatal(http.ListenAndServe(*host+":"+strconv.Itoa(*port), nil))
 }