diff --git a/app/assets/javascripts/spree/frontend/solidus_stripe/stripe-payment-request-button-shared.js b/app/assets/javascripts/spree/frontend/solidus_stripe/stripe-payment-request-button-shared.js
index 6c9c6ecd..33fd7330 100644
--- a/app/assets/javascripts/spree/frontend/solidus_stripe/stripe-payment-request-button-shared.js
+++ b/app/assets/javascripts/spree/frontend/solidus_stripe/stripe-payment-request-button-shared.js
@@ -50,7 +50,7 @@
         };
         paymentRequest.on('paymentmethod', onPrPaymentMethod.bind(this));
 
-        onShippingAddressChange = function(ev) {
+        var onShippingAddressChange = function(ev) {
           var showError = this.showError.bind(this);
 
           fetch('/stripe/shipping_rates', {