diff --git a/src/Handler.php b/src/Handler.php
index ed36d89..7ce8483 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -23,7 +23,7 @@ abstract class Handler {
     
     public abstract function handleException(\Throwable $ex) : array;
 
-    public function __construct(SoftwareConfig $config, ? DataInterface $dataManipulator = null, ? Closure $callback = null, Transport\TransportInterface $transport = null)
+    public function __construct(SoftwareConfig $config, ? DataInterface $dataManipulator = null, ? Closure $callback = null, ? Transport\TransportInterface $transport = null)
     {
         $this->config = $config;