diff --git a/README.md b/README.md
index 6881789..932174d 100644
--- a/README.md
+++ b/README.md
@@ -24,5 +24,5 @@ TODO:
 # The `eth1.ep` is DHCP server interface running dnsmasq in `mozim` network
 # namespace.
 sudo ./utils/test_env_mozim &
-cargo run
+cargo run --example mozim_async
 ```