From 362f194e17b976b2adbfdcc494b344f2e385a53c Mon Sep 17 00:00:00 2001
From: Manuel Reinhard <manu@sprain.ch>
Date: Fri, 8 Feb 2019 20:07:38 +0100
Subject: [PATCH] Add missing nullable to return type

---
 src/QrBill.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/QrBill.php b/src/QrBill.php
index fbe313c2..6082aacf 100644
--- a/src/QrBill.php
+++ b/src/QrBill.php
@@ -72,7 +72,7 @@ public static function create(): self
         return $qrBill;
     }
 
-    public function getHeader(): Header
+    public function getHeader(): ?Header
     {
         return $this->header;
     }