diff --git a/templates/postfix/main.cf.j2 b/templates/postfix/main.cf.j2
index ead07a9..6096094 100644
--- a/templates/postfix/main.cf.j2
+++ b/templates/postfix/main.cf.j2
@@ -289,8 +289,6 @@ default_destination_rate_delay = 60s
 default_destination_recipient_limit = 1
 default_destination_concurrency_failed_cohort_limit = 10
 
-header_checks = pcre:{{ postfix_conf_dir }}/header_checks
-
 {% if postfix_type == "internet" %}
 ### Spam and DKIM
 {% if postfix_smtpd_milters is defined %}
@@ -333,9 +331,10 @@ compatibility_level = 2
 biff = no
 append_dot_mydomain = no
 
-# Add missing headers
+# Header treatment
 always_add_missing_headers = yes
 local_header_rewrite_clients = permit_mynetworks
+header_checks = pcre:{{ postfix_conf_dir }}/header_checks
 
 mailbox_size_limit = 0
 message_size_limit = {{ postfix_message_size_limit }}