diff --git a/roles/mail_server/molecule/default/tests/test_mandatory.py b/roles/mail_server/molecule/default/tests/test_mandatory.py
index f1997002a7036bd1f93a41df09db4a5b3bf59468..1e532da4601775a12bc79b94d12b5f2c4d395756 100644
--- a/roles/mail_server/molecule/default/tests/test_mandatory.py
+++ b/roles/mail_server/molecule/default/tests/test_mandatory.py
@@ -21,28 +21,28 @@ def test_smtp_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/%s_smtp.key" % hostname, "r").read().rstrip()
+        assert tls_file.content_string == open("tests/data/x509/%s_smtp.key.pem" % hostname, "r").read().rstrip()
 
         tls_file = host.file('/etc/ssl/certs/%s_smtp.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/%s_smtp.pem" % hostname, "r").read().rstrip()
+        assert tls_file.content_string == open("tests/data/x509/%s_smtp.cert.pem" % hostname, "r").read().rstrip()
 
         tls_file = host.file('/etc/ssl/private/%s_imap.key' % hostname)
         assert tls_file.is_file
         assert tls_file.user == 'root'
         assert tls_file.group == 'root'
         assert tls_file.mode == 0o640
-        assert tls_file.content_string == open("tests/data/x509/%s_imap.key" % hostname, "r").read().rstrip()
+        assert tls_file.content_string == open("tests/data/x509/%s_imap.key.pem" % hostname, "r").read().rstrip()
 
         tls_file = host.file('/etc/ssl/certs/%s_imap.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/%s_imap.pem" % hostname, "r").read().rstrip()
+        assert tls_file.content_string == open("tests/data/x509/%s_imap.cert.pem" % hostname, "r").read().rstrip()
 
 
 def test_certificate_validity_check_configuration(host):