diff --git a/changelog/fix-upe-country-selection b/changelog/fix-upe-country-selection
new file mode 100644
index 00000000000..478ffa1cfcd
--- /dev/null
+++ b/changelog/fix-upe-country-selection
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Fixed UPE country detection in Checkout for non-logged in users
diff --git a/client/checkout/utils/upe.js b/client/checkout/utils/upe.js
index 500314b9f5b..af8e0427c04 100644
--- a/client/checkout/utils/upe.js
+++ b/client/checkout/utils/upe.js
@@ -375,10 +375,9 @@ export const togglePaymentMethodForCountry = ( upeElement ) => {
 		billingInput = document.querySelector( '#billing_country' );
 	}
 
-	/* global wcpayCustomerData */
 	// in the case of "pay for order", there is no "billing country" input, so we need to rely on backend data.
 	const billingCountry =
-		billingInput?.value || wcpayCustomerData?.billing_country || '';
+		billingInput?.value || window?.wcpayCustomerData?.billing_country || '';
 
 	const upeContainer = upeElement?.closest( '.wc_payment_method' );
 	if ( supportedCountries.includes( billingCountry ) ) {