diff --git a/roles/web_server/molecule/default/tests/test_optional.py b/roles/web_server/molecule/default/tests/test_optional.py
index 476c289bb464e64fce6044c063b61b7b9554f433..00cb4e637284e996178bb8a8f9bbc71560ed2cf3 100644
--- a/roles/web_server/molecule/default/tests/test_optional.py
+++ b/roles/web_server/molecule/default/tests/test_optional.py
@@ -21,14 +21,14 @@ def test_nginx_tls_files(host):
         assert tls_file.user == 'root'
         assert tls_file.group == 'root'
         assert tls_file.mode == 0o640
-        assert tls_file.content_string == open("tests/data/x509/parameters-optional_https.key.pem", "r").read().rstrip()
+        assert tls_file.content_string == open("tests/data/x509/%s_https.key.pem" % hostname, "r").read().rstrip()
 
         tls_file = host.file('/etc/ssl/certs/%s_https.pem' % hostname)
         assert tls_file.is_file
         assert tls_file.user == 'root'
         assert tls_file.group == 'root'
         assert tls_file.mode == 0o644
-        assert tls_file.content_string == open("tests/data/x509/parameters-optional_https.cert.pem", "r").read().rstrip()
+        assert tls_file.content_string == open("tests/data/x509/%s_https.cert.pem" % hostname, "r").read().rstrip()
 
 
 def test_certificate_validity_check_configuration(host):