diff --git a/roles/mail_forwarder/defaults/main.yml b/roles/mail_forwarder/defaults/main.yml
index 32713fcf5440cb8fbb22bf8e4ead2e18ac639774..2603ddaf09a277e9a3d1b78ed2ffc876e4b3b262 100644
--- a/roles/mail_forwarder/defaults/main.yml
+++ b/roles/mail_forwarder/defaults/main.yml
@@ -2,4 +2,4 @@
 
 local_mail_aliases: []
 smtp_relay_host: ""
-smtp_relay_truststore: "/etc/ssl/certs/truststore.pem"
\ No newline at end of file
+smtp_relay_truststore: "{{ lookup('file', tls_certificate_dir + '/truststore.pem') }}"
\ No newline at end of file