diff --git a/roles/mail/templates/postfix-out/main.cf b/roles/mail/templates/postfix-out/main.cf
index 9414b72e99cb1ac26ade1252a3b41e4a9c461b15..6388046eaa7706f521f362af620bb4d33774570a 100644
--- a/roles/mail/templates/postfix-out/main.cf
+++ b/roles/mail/templates/postfix-out/main.cf
@@ -39,7 +39,7 @@ smtpd_timeout = 1200s
 # "smtp" transport for outbound mail (bounces, ...). The latter
 # won't starve the former of delivery agent slots.
 relay_domains = ${indexed}domains cdb:/etc/postfix/domains-auto
-relay_recipient_maps = ${ldap}recipients $${indexed}transport {indexed}mailman_transport
+relay_recipient_maps = ${ldap}recipients ${indexed}transport ${indexed}mailman_transport
 relay_destination_recipient_limit = 1
 
 # Send each message to its target backend.