diff --git a/roles/xmpp_server/molecule/default/group_vars/parameters-optional.yml b/roles/xmpp_server/molecule/default/group_vars/parameters-optional.yml
index e22e5353dc8db1adba44bf7d3e05dc85358534f1..81ee7b19622e1aebc0c8bd01ba9212b47e200b2e 100644
--- a/roles/xmpp_server/molecule/default/group_vars/parameters-optional.yml
+++ b/roles/xmpp_server/molecule/default/group_vars/parameters-optional.yml
@@ -10,12 +10,12 @@ xmpp_ldap_base_dn: dc=local
 xmpp_ldap_password: prosodypassword
 xmpp_ldap_server: ldap-server
 xmpp_prosody_package: prosody-0.9
-xmpp_tls_certificate: "{{ lookup('file', 'tests/data/x509/{{ inventory_hostname }}_xmpp.cert.pem') }}"
-xmpp_tls_key: "{{ lookup('file', 'tests/data/x509/{{ inventory_hostname }}_xmpp.key.pem') }}"
+xmpp_tls_certificate: "{{ lookup('file', 'tests/data/x509/server/{{ inventory_hostname }}_xmpp.cert.pem') }}"
+xmpp_tls_key: "{{ lookup('file', 'tests/data/x509/server/{{ inventory_hostname }}_xmpp.key.pem') }}"
 
 # common
 ca_certificates:
-  testca: "{{ lookup('file', 'tests/data/x509/ca.cert.pem') }}"
+  testca: "{{ lookup('file', 'tests/data/x509/ca/level1.cert.pem') }}"
 
 # backup_client
 enable_backup: true