diff --git a/lib/internal/Magento/Framework/Serialize/Serializer/Json.php b/lib/internal/Magento/Framework/Serialize/Serializer/Json.php
index dc56ee8867589..d3b56e97bd58c 100644
--- a/lib/internal/Magento/Framework/Serialize/Serializer/Json.php
+++ b/lib/internal/Magento/Framework/Serialize/Serializer/Json.php
@@ -19,7 +19,7 @@ class Json implements SerializerInterface
 
     public function __construct(){
         $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
-        $this->appState = $this->objectmanager->get('Magento\Framework\App\State');
+        $this->appState = $objectmanager->get('Magento\Framework\App\State');
     }
     /**
      * {@inheritDoc}