diff --git a/etc/alternc/templates/postfix/myrelay.cf b/etc/alternc/templates/postfix/myrelay.cf
index 83dda5a2..b50a17a2 100644
--- a/etc/alternc/templates/postfix/myrelay.cf
+++ b/etc/alternc/templates/postfix/myrelay.cf
@@ -8,6 +8,6 @@ hosts =%%dbhost%%
 dbname = %%dbname%%
 table = mail_domain
 # this should by %%primary_mx%%
-select_field = relay:[%%mx%%]
+select_field = 'relay:[%%mx%%]'
 where_field = mail