diff --git a/postfix/templates/main.cf.j2 b/postfix/templates/main.cf.j2
index 961d30fc3d713b2b1eff708fc974b387210c5476..a3e599582c5ef93e9922949fb59a978a3c35a133 100644
--- a/postfix/templates/main.cf.j2
+++ b/postfix/templates/main.cf.j2
@@ -50,7 +50,7 @@ recipient_delimiter = +
 inet_interfaces = all
 inet_protocols = all
 
-virtual_mailbox_domains = $mydestination, {{ virtual_domains | join(" ") }}
+virtual_mailbox_domains = {{ virtual_domains | join(", ") }}
 virtual_mailbox_base = /var/vmail/
 virtual_mailbox_limit = 512000000
 virtual_minimum_uid = 5000