diff --git a/roles/mail_server/templates/master.cf.j2 b/roles/mail_server/templates/master.cf.j2
index 38f2bb33c5fff5a3b26bd3e824b8ba8e6829f3ed..94a9551c62e405ac1b30975a7fde5d93fd28b0ee 100644
--- a/roles/mail_server/templates/master.cf.j2
+++ b/roles/mail_server/templates/master.cf.j2
@@ -133,6 +133,6 @@ submission inet n       -       y       -       -       smtpd
   -o smtpd_tls_auth_only=yes
   -o smtpd_recipient_restrictions=
   -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-  -o smtpd_tls_mandatory_protocols={{ mail_server_tls_protocols | join(',') }}
+  -o smtpd_tls_mandatory_protocols={{ mail_server_smtpd_submission_protocols[mail_server_minimum_tls_protocol] | join(',') }}
   -o smtpd_tls_mandatory_ciphers=high
   -o tls_high_cipherlist={{ mail_server_tls_ciphers }}