diff --git a/src/facebook.ts b/src/facebook.ts
index 60c71ac..00db280 100644
--- a/src/facebook.ts
+++ b/src/facebook.ts
@@ -601,6 +601,8 @@ function formatCentsToCurrency(
 	if (Number.isNaN(cents)) return "";
 	const dollars = cents / 100;
 	const formatter = new Intl.NumberFormat(locale, {
+		style: 'currency',
+		currency: 'USD',
 		minimumFractionDigits: 2,
 		maximumFractionDigits: 2,
 		useGrouping: true,