diff --git a/app/PaymentDrivers/BaseDriver.php b/app/PaymentDrivers/BaseDriver.php
index 9c6238c506c3..778ebc5ff6f1 100644
--- a/app/PaymentDrivers/BaseDriver.php
+++ b/app/PaymentDrivers/BaseDriver.php
@@ -71,7 +71,7 @@ class BaseDriver extends AbstractPaymentDriver
     public $payment_method;
 
     /* PaymentHash */
-    public $payment_hash;
+    public PaymentHash $payment_hash;
 
     /* Array of payment methods */
     public static $methods = [];