diff --git a/roles/mail_server/defaults/main.yml b/roles/mail_server/defaults/main.yml
index cf1140bcd5b8a6005e256ced7da332484e57baa4..5e41257e58ca8b7dad78e6a61698228f856a0198 100644
--- a/roles/mail_server/defaults/main.yml
+++ b/roles/mail_server/defaults/main.yml
@@ -3,10 +3,10 @@
 enable_backup: False
 mail_ldap_tls_truststore: "/etc/ssl/certs/truststore.pem"
 mail_user: vmail
-imap_tls_certificate: "{{ tls_certificate_dir }}/{{ ansible_fqdn }}_imap.pem"
-imap_tls_key: "{{ tls_private_key_dir }}/{{ ansible_fqdn }}_imap.key"
-smtp_tls_certificate: "{{ tls_certificate_dir }}/{{ ansible_fqdn }}_smtp.pem"
-smtp_tls_key: "{{ tls_certificate_dir }}/{{ ansible_fqdn }}_smtp.key"
+imap_tls_certificate: "{{ lookup('file', tls_certificate_dir + '/' ansible_fqdn + '_imap.pem') }}"
+imap_tls_key: "{{ lookup('file', tls_private_key_dir + '/' ansible_fqdn + '_imap.key') }}"
+smtp_tls_certificate: "{{ lookup('file', tls_certificate_dir + '/' ansible_fqdn + '_smtp.pem') }}"
+smtp_tls_key: "{{ lookup('file', tls_private_key_dir + '/' ansible_fqdn + '_smtp.key') }}"
 imap_folder_separator: "/"
 smtp_rbl: []
 mail_postmaster: "postmaster@{{ ansible_domain }}"