From 8ac18c175907f00e99064818788475cb43039f1f Mon Sep 17 00:00:00 2001
From: Patrick Henninger <donnironon@hotmail.de>
Date: Fri, 21 Dec 2018 17:54:51 +0100
Subject: [PATCH] Fixed mistake with InstanceIdentifier

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

diff --git a/src/Cart.php b/src/Cart.php
index d4280ec..7b58abe 100644
--- a/src/Cart.php
+++ b/src/Cart.php
@@ -72,7 +72,7 @@ class Cart
         if ($instance instanceof InstanceIdentifier)
         {
             $this->discount = $instance->getInstanceGlobalDiscount();
-            $this->instance = $instance->getInstanceIdentifier();
+            $instance = $instance->getInstanceIdentifier();
         }
 
         $this->instance = sprintf('%s.%s', 'cart', $instance);