diff --git a/create_framework/separation_of_concerns.rst b/create_framework/separation_of_concerns.rst
index ee3fe283ef1..519a799ded5 100644
--- a/create_framework/separation_of_concerns.rst
+++ b/create_framework/separation_of_concerns.rst
@@ -71,7 +71,7 @@ And update ``example.com/web/front.php`` accordingly::
     $controllerResolver = new ControllerResolver();
     $argumentResolver = new ArgumentResolver();
 
-    $framework = new Simplex\Framework($matcher, $controllerResolver, new RequestStack(), $argumentResolver);
+    $framework = new Simplex\Framework($matcher, $controllerResolver, $argumentResolver);
     $response = $framework->handle($request);
 
     $response->send();