diff --git a/testsite/group_vars/mail.yml b/testsite/group_vars/mail.yml
index 5e8fddf1f98f29c0a4baaef8dc5daa936e60a9a6..b86d8e83640a25edfd0589bc599ec2cc12ac60ae 100644
--- a/testsite/group_vars/mail.yml
+++ b/testsite/group_vars/mail.yml
@@ -9,10 +9,10 @@ ldap_client_config:
     value: ldap://ldap.example.com/
   - comment: Set the LDAP TLS truststore
     option: TLS_CACERT
-    value: /etc/ssl/certs/truststore.pem
+    value: /etc/ssl/certs/example_ca_chain.pem
 
 mail_ldap_url: ldap://ldap.example.com/
-mail_ldap_tls_truststore: /etc/ssl/certs/truststore.pem
+mail_ldap_tls_truststore: /etc/ssl/certs/example_ca_chain.pem
 mail_ldap_root_dn: dc=example,dc=com
 mail_ldap_postfix_password: postfix
 mail_ldap_dovecot_password: dovecot