diff --git a/README.md b/README.md
index 3e0ad31..f286623 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ Description=Drops outbound Internet traffic for the group "no-internet"
 [Service]
 ExecStart=iptables -I OUTPUT -m owner --gid-owner "no-internet" -j DROP
 Type=oneshot
+RemainAfterExit=yes
 
 [Install]
 WantedBy=multi-user.target