1 files changed, 1 insertions, 1 deletions
diff --git a/Digitigrade/HttpResponseStatus/BadRequest.php b/Digitigrade/HttpResponseStatus/BadRequest.php
index e605f70..7dd4d00 100644
--- a/Digitigrade/HttpResponseStatus/BadRequest.php
+++ b/Digitigrade/HttpResponseStatus/BadRequest.php
@@ -4,7 +4,7 @@ namespace Digitigrade\HttpResponseStatus;
 use Digitigrade\HttpResponseStatus;
 
 class BadRequest extends \Exception implements HttpResponseStatus {
-    public function __construct(?string $reason) {
+    public function __construct(?string $reason = null) {
         $this->message = $reason ?? 'Request does not conform to expectations';
     }