diff --git a/abra.sh b/abra.sh
index cf60e24..159f09b 100644
--- a/abra.sh
+++ b/abra.sh
@@ -1,2 +1,2 @@
 export CERTDUMPER_POST_VERSION=v1
-export POSTFIX_OVERRIDE_VERSION=v2
+export POSTFIX_OVERRIDE_VERSION=v3
diff --git a/postfix.cf b/postfix.cf
index f226557..19ada9a 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