diff --git a/roles/php_website/molecule/default/playbook.yml b/roles/php_website/molecule/default/playbook.yml
index 67afc4b73cad417c0580eb5bda30a75638d1fd50..e06c07c5a66d2cdd15c174df5280fd1e21e3dcdd 100644
--- a/roles/php_website/molecule/default/playbook.yml
+++ b/roles/php_website/molecule/default/playbook.yml
@@ -11,13 +11,11 @@
     default_https_tls_certificate: "{{ lookup('file', 'tests/data/x509/php-website_https.cert.pem') }}"
     default_https_tls_key: "{{ lookup('file', 'tests/data/x509/php-website_https.key.pem') }}"
 
-    # Common parameters (general, not role).
-    tls_certificate_dir: tests/data/x509/
-    tls_private_key_dir: tests/data/x509/
-
   roles:
     - role: php_website
       fqdn: parameters-mandatory
+      https_tls_certificate: "{{ lookup('file', 'tests/data/x509/parameters-mandatory_https.cert.pem') }}"
+      https_tls_key: "{{ lookup('file', 'tests/data/x509/parameters-mandatory_https.key.pem') }}"
 
     - role: php_website
       additional_fpm_config: