diff --git a/public/examples/ach.html b/public/examples/ach.html
index ca54f0a..c2b6e7c 100644
--- a/public/examples/ach.html
+++ b/public/examples/ach.html
@@ -40,7 +40,7 @@
         throw new Error(errorBody);
       }
 
-      function tokenize(paymentMethod, options = {}) {
+      async function tokenize(paymentMethod, options = {}) {
         paymentMethod.addEventListener(
           'ontokenization',
           async function (event) {
@@ -65,7 +65,7 @@
             }
           }
         );
-        paymentMethod.tokenize(options);
+        await paymentMethod.tokenize(options);
       }
 
       // status is either SUCCESS or FAILURE;
@@ -139,7 +139,7 @@
 
           try {
             achButton.disabled = true;
-            tokenize(paymentMethod, options);
+            await tokenize(paymentMethod, options);
           } catch (e) {
             achButton.disabled = false;
             displayPaymentResults('FAILURE');