diff --git a/apps/infoalloggi/src/server/api/routers/stripe_reports.ts b/apps/infoalloggi/src/server/api/routers/stripe_reports.ts
index adc45f6..5371032 100644
--- a/apps/infoalloggi/src/server/api/routers/stripe_reports.ts
+++ b/apps/infoalloggi/src/server/api/routers/stripe_reports.ts
@@ -199,7 +199,7 @@ const movimentiSchema = z.object({
 });
 const saldoSchema = z.object({
 	category: z.string(),
-	currency: z.string(),
+	currency: z.string().nullable(),
 	description: z.string(),
 	net_amount: z.number(),
 });