diff --git a/src/LaravelPos.php b/src/LaravelPos.php
index 43edebc..12aa019 100644
--- a/src/LaravelPos.php
+++ b/src/LaravelPos.php
@@ -128,7 +128,7 @@ public function payment(array $card = [])
      */
     public function getGatewayUrl()
     {
-        return isset($this->pos->bank->gateway) ? $this->pos->bank->gateway : 'null';
+        return $this->pos->bank->gateway ?? 'null';
     }
 
     /**