diff --git a/src/__tests__/ApplePayWebView.test.tsx b/src/__tests__/ApplePayWebView.test.tsx
index 55e5455..2132cee 100644
--- a/src/__tests__/ApplePayWebView.test.tsx
+++ b/src/__tests__/ApplePayWebView.test.tsx
@@ -117,7 +117,9 @@ describe('ApplePayWebView — envelope unwrapping', () => {
               bin: '411111',
               last4: '1111',
               network: 'visa',
-              expiration: '2027-12',
+              // The iframe posts the raw tokenizer result (TokenizeApplePayResult),
+              // whose expiry field is `expiry` — not `expiration`.
+              expiry: '2027-12',
             },
             billingContact: {
               givenName: 'Jane',
diff --git a/src/payments/ApplePayWebView.tsx b/src/payments/ApplePayWebView.tsx
index 55390a1..2452f9a 100644
--- a/src/payments/ApplePayWebView.tsx
+++ b/src/payments/ApplePayWebView.tsx
@@ -159,7 +159,7 @@ export const ApplePayWebView = ({
           bin: tokenResult?.bin as string | undefined,
           last4: tokenResult?.last4 as string | undefined,
           network: tokenResult?.network as string | undefined,
-          expiration: tokenResult?.expiration as string | undefined,
+          expiration: tokenResult?.expiry as string | undefined,
           boltReference:
             typeof message.boltReference === 'string'
               ? message.boltReference