diff --git a/plinth/modules/openvpn/__init__.py b/plinth/modules/openvpn/__init__.py
index 474e8b7cb..1a9fa4ff3 100644
--- a/plinth/modules/openvpn/__init__.py
+++ b/plinth/modules/openvpn/__init__.py
@@ -90,7 +90,7 @@ class OpenVPNApp(app_module.App):
         self.add(firewall)
 
         daemon = Daemon('daemon-openvpn', managed_services[0],
-                        listen_ports=[(1194, 'udp4')])
+                        listen_ports=[(1194, 'udp4'), (1194, 'udp6')])
         self.add(daemon)