diff --git a/js/commerce_braintree.form.js b/js/commerce_braintree.form.js
index cc7deb4..7315b5a 100644
--- a/js/commerce_braintree.form.js
+++ b/js/commerce_braintree.form.js
@@ -101,8 +101,8 @@
       options.onReady = $.proxy(self.onReady, self);
       options.onPaymentMethodReceived = function (payload) {
         $('.braintree-nonce', self.$form).val(payload.nonce);
-        $('.braintree-card-type', $form).val(payload.details.cardType);
-        $('.braintree-last2', $form).val(payload.details.lastTwo);
+        $('.braintree-card-type', self.$form).val(payload.details.cardType);
+        $('.braintree-last2', self.$form).val(payload.details.lastTwo);
         $form.submit();
       }