diff --git a/postfix.cf b/postfix.cf
index 19ada9a..9a6565d 100644
--- a/postfix.cf
+++ b/postfix.cf
@@ -9,6 +9,6 @@
 
 unknown_local_recipient_reject_code = 550
 owner_request_special = no
-transport_maps = $${podop}transport regexp:/opt/mailman/var/data/postfix_lmtp
+transport_maps = \${podop}transport regexp:/opt/mailman/var/data/postfix_lmtp
 local_recipient_maps = regexp:/opt/mailman/var/data/postfix_lmtp
-relay_domains = $${podop}transport regexp:/opt/mailman/var/data/postfix_domains
+relay_domains = \${podop}transport regexp:/opt/mailman/var/data/postfix_domains