diff --git a/tuto3.yml b/tuto3.yml
index 653b52d..6bcfa83 100644
--- a/tuto3.yml
+++ b/tuto3.yml
@@ -322,8 +322,8 @@ files:
   - path: /etc/init.d/500-showip.sh
     contents: |
       #!/bin/sh
-      nsenter -n/run/netns/router ip a show dev eth0
-      nsenter -n/run/netns/wks1 ip a show dev eth1
+      nsenter -n/run/netns/router ip -c a show dev eth0
+      nsenter -n/run/netns/wks1 ip -c a show dev eth1
       exit 0
     mode: "0555"