Wrong ID sent as order ID in message param on transaction

diff --git a/commerce_vipps.inc b/commerce_vipps.inc
index cbdbe79..a68e7d6 100644
--- a/commerce_vipps.inc
+++ b/commerce_vipps.inc
@@ -238,7 +238,7 @@ function _commerce_vipps_get_current_transaction($order, $payment_method) {
       $transaction->remote_id,
       (int) $mobile,
       (int) $transaction->amount,
-      t('Payment for order @order_id', array('@order_id' => $wrapper->getIdentifier())),
+      t('Payment for order @order_id', array('@order_id' => $transaction->order_id)),
       url('commerce_vipps/' . $transaction->transaction_id . '/transaction/' . $order->data['payment_redirect_key'], array('absolute' => TRUE, 'https' => TRUE))
     );