diff --git a/roles/mail_forwarder/molecule/default/group_vars/parameters-no-incoming.yml b/roles/mail_forwarder/molecule/default/group_vars/parameters-no-incoming.yml
index 3630e68710c6bd70c8b073d0f6bfa9c94a22679e..87bd4dab306f3c0d7058fe71fc7bc82e94456081 100644
--- a/roles/mail_forwarder/molecule/default/group_vars/parameters-no-incoming.yml
+++ b/roles/mail_forwarder/molecule/default/group_vars/parameters-no-incoming.yml
@@ -2,8 +2,8 @@
 
 smtp_relay_host: mail-server
 smtp_from_relay_allowed: false
-smtp_relay_truststore: "{{ lookup('file', 'tests/data/x509/ca.cert.pem') }}"
+smtp_relay_truststore: "{{ lookup('file', 'tests/data/x509/ca/level1.cert.pem') }}"
 
 # common
 ca_certificates:
-  testca: "{{ lookup('file', 'tests/data/x509/ca.cert.pem') }}"
+  testca: "{{ lookup('file', 'tests/data/x509/ca/level1.cert.pem') }}"