diff --git a/paymentform/paymentform.module b/paymentform/paymentform.module
index a6f6d47..c9b5797 100644
--- a/paymentform/paymentform.module
+++ b/paymentform/paymentform.module
@@ -210,6 +210,7 @@ function paymentform_field_formatter_view($entity_type, $entity, $field, $instan
  * Implements Payment::finish_callback.
  */
 function paymentform_payment_finish(Payment $payment) {
+  $view = '';
   if (payment_access('view', $payment)) {
     $view = ' ' . l(t('View payment'), 'payment/' . $payment->pid) . '.';
   }