diff --git a/lib/recurly/amazon/amazon-pay.js b/lib/recurly/amazon/amazon-pay.js
index 98ea8a120..918a75e40 100644
--- a/lib/recurly/amazon/amazon-pay.js
+++ b/lib/recurly/amazon/amazon-pay.js
@@ -30,7 +30,8 @@ class AmazonPay extends Emitter {
 
   scriptUrl () {
     switch(this.options.region) {
-    case 'uk', 'eu':
+    case 'uk':
+    case 'eu':
       return 'https://static-eu.payments-amazon.com/checkout.js';
     case 'us':
       return 'https://static-na.payments-amazon.com/checkout.js';