diff --git a/src/types.ts b/src/types.ts
index b0a8389..89f52f5 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -488,7 +488,7 @@ export type RewardsData = {
 	unable_to_purchase_reason: string;
 	once_per_pupil: boolean;
 	purchased: boolean;
-	purchased_count: string | number;
+	purchased_count: string | 0;
 	price_balance_difference: number;
 }[];