diff --git a/class.gateway.php b/class.gateway.php
index 232e61f..392173b 100644
--- a/class.gateway.php
+++ b/class.gateway.php
@@ -193,7 +193,7 @@ public function create_order(WC_Order $order, $phone, $timestamp)
 			"utilityref"  => $order->get_id(),
 			"transid"     => $order->get_order_key(),
 			"amount"      => round($order->get_total()),
-			"vendor"      => $this->vendor,
+			"vendor"      => $this->get_option('vendor_id'),
 			"order_id"    => $order->get_id(),
 			"buyer_email" => $order->get_billing_email(),
 			"buyer_name"  => $order->get_billing_first_name() . " " . $order->get_billing_last_name(),