diff --git a/view/frontend/web/js/view/customer/vault/cards/save-card.js b/view/frontend/web/js/view/customer/vault/cards/save-card.js
index fea6e97..751be03 100644
--- a/view/frontend/web/js/view/customer/vault/cards/save-card.js
+++ b/view/frontend/web/js/view/customer/vault/cards/save-card.js
@@ -81,7 +81,7 @@ define([
             focusInvalid: false
         });
 
-        $('#card_number').on('input', () => {
+        $('#card_number').on('input', function() {
             let value = $(this).val().replace(/\D/g, '');
             const cardType = $('#cc_type').val();
 
@@ -94,7 +94,7 @@ define([
             $(this).val(value);
         });
 
-        $('#card_number').on('keyup', () => {
+        $('#card_number').on('keyup', function() {
             const number = $(this).val().replace(/\s/g, '');
             const result = creditCardNumberValidator(number);