diff --git a/templates/ldap_table.cf.j2 b/templates/ldap_table.cf.j2
index 42e589c..18233e7 100644
--- a/templates/ldap_table.cf.j2
+++ b/templates/ldap_table.cf.j2
@@ -7,7 +7,7 @@ scope = {{ postfix_ldap_scope }}
 bind = {{ 'yes' if postfix_ldap_bind else 'no' }}
 bind_dn = {{ postfix_ldap_bind_dn }}
 bind_pw = {{ postfix_ldap_bind_pw }}
-start_tls = {{ postfix_ldap_start_tls }}
+start_tls = {{ 'yes' if postfix_ldap_start_tls else 'no' }}
 tls_ca_cert_file = {{ postfix_ldap_tls_ca_cert_file }}
 tls_ca_cert_dir = {{ postfix_ldap_tls_ca_cert_dir }}
 {% if item == 'user' %}