diff --git a/app/PaymentDrivers/PayFastPaymentDriver.php b/app/PaymentDrivers/PayFastPaymentDriver.php
index 148a7a228603..582420256a0e 100644
--- a/app/PaymentDrivers/PayFastPaymentDriver.php
+++ b/app/PaymentDrivers/PayFastPaymentDriver.php
@@ -142,7 +142,7 @@ class PayFastPaymentDriver extends BaseDriver
     // }
 
 
-   protected function generateSignature($data, $passPhrase = null)
+   public function generateSignature($data, $passPhrase = null)
     {
         $fields = array();