diff --git a/src/Factory/Mail/ConfirmationFactory.php b/src/Factory/Mail/ConfirmationFactory.php
index <HASH>..<HASH> 100644
--- a/src/Factory/Mail/ConfirmationFactory.php
+++ b/src/Factory/Mail/ConfirmationFactory.php
@@ -23,7 +23,7 @@ use Laminas\ServiceManager\Factory\FactoryInterface;
  */
 class ConfirmationFactory implements FactoryInterface
 {
-    public function __invoke(ContainerInterface $container, $requestedName, array $options = [])
+    public function __invoke(ContainerInterface $container, $requestedName, ?array $options = null)
     {
         $router = $container->get('Router');
         $options['router'] = $router;
fix(Applications): Confirmation mail factory is incompatible with Factory Interface.