diff --git a/roles/xmpp_server/molecule/default/tests/test_default.py b/roles/xmpp_server/molecule/default/tests/test_default.py
index ddb8e6ebd0efcdc6c9aaea31626438e1fd6c8d2f..103e9f252b6dd64b8db67b9199aadbb725158987 100644
--- a/roles/xmpp_server/molecule/default/tests/test_default.py
+++ b/roles/xmpp_server/molecule/default/tests/test_default.py
@@ -123,6 +123,28 @@ def test_firewall_configuration_file(host):
         assert config.group == 'root'
         assert config.mode == 0o640
 
+
+def test_xmpp_server_dh_parameters_file(host):
+    """
+    Tests if the Diffie-Helman parameter file has been generated
+    correctly.
+    """
+
+    fqdn = host.run('hostname -f').stdout.strip()
+    dhparam_file_path = '/etc/ssl/private/%s_xmpp.dh.pem' % fqdn
+
+    with host.sudo():
+        dhparam_file = host.file(dhparam_file_path)
+        assert dhparam_file.is_file
+        assert dhparam_file.user == 'root'
+        assert dhparam_file.group == 'prosody'
+        assert dhparam_file.mode == 0o640
+
+        dhparam_info = host.run("openssl dhparam -noout -text -in %s", dhparam_file_path)
+
+        assert "DH Parameters: (2048 bit)" in dhparam_info.stdout
+
+
 # @TODO: Tests which were not implemented due to lack of out-of-box tools:
 #
 # - Proxy capability.