diff --git a/playbooks/hosts/lists-dev.cloud.fedoraproject.org.yml b/playbooks/hosts/lists-dev.cloud.fedoraproject.org.yml
index 9cd330046a..2780daa572 100644
--- a/playbooks/hosts/lists-dev.cloud.fedoraproject.org.yml
+++ b/playbooks/hosts/lists-dev.cloud.fedoraproject.org.yml
@@ -23,7 +23,7 @@
   - mailman_vardir: /srv/persist/mailman
   - tcp_ports: [22, 25, 80, 443]
   - udp_ports: []
-  - postfix_maincf: postfix/main.cf/main.cf.lists-dev.cloud.fedoraproject.org
+  - postfix_maincf: "{{ roles }}/base/files/postfix/main.cf/main.cf.lists-dev.cloud.fedoraproject.org"
 
   roles:
   - sudo