diff --git a/roles/postfix/templates/postfix/sender_login_maps.j2 b/roles/postfix/templates/postfix/sender_login_maps.j2
index fa11fa88..9b1b22b8 100644
--- a/roles/postfix/templates/postfix/sender_login_maps.j2
+++ b/roles/postfix/templates/postfix/sender_login_maps.j2
@@ -1,3 +1,5 @@
+{{ ansible_header | comment }}
+
 @crans.org root
 @crans.fr root
 @crans.eu root