diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index 5b3403b76..e32823c8c 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -604,7 +604,7 @@ export type User = {
     cancelURL: string | null;
     expiry: number;
     trialExpiry?: number;
-    productId: string;
+    productId: string | null;
     provider: SubscriptionProvider;
     start: number;
     plan: SubscriptionPlan;