diff --git a/pkg/debian-tuto3/sshd_config b/pkg/debian-tuto3/sshd_config
index 982d908..466b890 100644
--- a/pkg/debian-tuto3/sshd_config
+++ b/pkg/debian-tuto3/sshd_config
@@ -11,7 +11,7 @@
 # default value.
 
 #Port 22
-#AddressFamily any
+AddressFamily inet
 #ListenAddress 0.0.0.0
 #ListenAddress ::