diff --git a/debian/ifupdown2.networking.service b/debian/ifupdown2.networking.service
index 42b67ab..4bcc1ae 100644
--- a/debian/ifupdown2.networking.service
+++ b/debian/ifupdown2.networking.service
@@ -4,6 +4,7 @@ Description=ifupdown2 init script
 [Service]
 Type=oneshot
 ExecStart=/sbin/ifup -a
+ExecStop=/sbin/ifdown -a
 
 [Install]
 WantedBy=multi-user.target