From 907d5bb9140c8045df12f19c726f6692b653eec3 Mon Sep 17 00:00:00 2001
From: Patryk <drapikpatryk@gmail.com>
Date: Wed, 4 Jul 2018 13:16:38 +0200
Subject: [PATCH] Fix return type

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

diff --git a/src/Entity/ShippingGateway.php b/src/Entity/ShippingGateway.php
index 1b3b195..b2815b2 100644
--- a/src/Entity/ShippingGateway.php
+++ b/src/Entity/ShippingGateway.php
@@ -121,7 +121,7 @@ public function getConfigValue(string $key): ?string
             $key
         ));
 
-        return $this->config[$key];
+        return (string) $this->config[$key];
     }
 
     /**