diff --git a/src/Event/HttpFlowEvent.php b/src/Event/HttpFlowEvent.php
index 0470763..9aab10e 100644
--- a/src/Event/HttpFlowEvent.php
+++ b/src/Event/HttpFlowEvent.php
@@ -45,8 +45,8 @@ class HttpFlowEvent extends Event
     public function __construct($name, $request, $response)
     {
         $this->setName($name);
-        $this->response = $response;
-        $this->request = $request;
+        $this->setRequest($request);
+        $this->setResponse($response);
     }
 
     /**
diff --git a/tests/DispatcherTest.php b/tests/DispatcherTest.php
index 191a801..4dc9d99 100644
--- a/tests/DispatcherTest.php
+++ b/tests/DispatcherTest.php
@@ -54,4 +54,21 @@ public function testDispatchMethodNotAllowedRequest()
         $dispatcher = new Dispatcher($this->router);
         $dispatcher->dispatch($request);
     }
+
+    public function testDispatchGot500Exception()
+    {
+        $this->setExpectedException('Exception');
+
+        $router = $this->prophesize('FastRoute\Dispatcher');
+        $request = (new Request())
+        ->withUri(new Uri('/'))
+        ->withMethod('POST');
+
+        $router->dispatch('POST', '/')->willReturn([
+            0 => 3
+        ])->shouldBeCalled();
+
+        $dispatcher = new Dispatcher($router->reveal());
+        $dispatcher->dispatch($request);
+    }
 }