diff --git a/tap.go b/tap.go
index b698270..462640c 100644
--- a/tap.go
+++ b/tap.go
@@ -70,7 +70,7 @@ func (nc *NetCard) Run() {
 	go nc.runWrite()
 	// go nc.cli.run()
 	time.Sleep(time.Second)
-	cmd := strings.Split("addr add 10.10.10.10/24 dev stap", " ")
+	cmd := strings.Split("ip addr add 10.10.10.10/24 dev stap", " ")
 	err := exec.Command(cmd[0], cmd[1:]...).Run()
 	if err != nil {
 		panic(err)