diff --git a/tuto3.yml b/tuto3.yml
index 8eb768b..4642e40 100644
--- a/tuto3.yml
+++ b/tuto3.yml
@@ -136,7 +136,7 @@ services:
       - /etc/unbound:/etc/unbound:ro
       - /etc/services:/etc/services:ro
   - name: ns-auth
-    image: nemunaire/nsd:8d1277be1eb28748ed7441ac82ac04edbacc3b5d
+    image: nemunaire/nsd:b96e6b002e08afd42e4c77ee71766264c42cac57
     net: /run/netns/ns-auth
     pid: new
     ipc: new
@@ -496,7 +496,8 @@ files:
 
   - path: etc/network/interfaces
     contents: |
-
+      auto lo
+      iface lo inet manual
     mode: "0440"
 
   - path: etc/nsd/nsd.conf