diff --git a/data/hooks/conf_regen/19-postfix b/data/hooks/conf_regen/19-postfix
index 38061ee63..cf339df14 100644
--- a/data/hooks/conf_regen/19-postfix
+++ b/data/hooks/conf_regen/19-postfix
@@ -19,7 +19,7 @@ function safe_copy () {
 cd /usr/share/yunohost/templates/postfix
 
 # Copy plain single configuration files
-files="header_check
+files="header_checks
 ldap-accounts.cf
 ldap-aliases.cf
 ldap-domains.cf
diff --git a/data/templates/postfix/header_check b/data/templates/postfix/header_checks
similarity index 100%
rename from data/templates/postfix/header_check
rename to data/templates/postfix/header_checks