diff --git a/inventory/group_vars/copr b/inventory/group_vars/copr
index 87f970ce49..d679f280f9 100644
--- a/inventory/group_vars/copr
+++ b/inventory/group_vars/copr
@@ -8,3 +8,4 @@ keygen_host: "172.16.5.25"
 resolvconf: "resolv.conf/cloud"
 
 backend_base_url: "https://copr-be.cloud.fedoraproject.org"
+postfix_maincf: "postfix/main.cf/main.cf.copr"
diff --git a/inventory/group_vars/copr-stg b/inventory/group_vars/copr-stg
index d7c7be3463..9addbe656f 100644
--- a/inventory/group_vars/copr-stg
+++ b/inventory/group_vars/copr-stg
@@ -9,4 +9,4 @@ keygen_host: "172.16.1.6"
 resolvconf: "resolv.conf/cloud"
 
 backend_base_url: "http://copr-be-dev.cloud.fedoraproject.org"
-postfix_maincf: "main.cf.copr"
+postfix_maincf: "postfix/main.cf/main.cf.copr"