diff --git a/apps/infoalloggi/src/server/api/routers/pagamenti.ts b/apps/infoalloggi/src/server/api/routers/pagamenti.ts
index c7e0f16..14a27f8 100644
--- a/apps/infoalloggi/src/server/api/routers/pagamenti.ts
+++ b/apps/infoalloggi/src/server/api/routers/pagamenti.ts
@@ -4,8 +4,8 @@ import type OrderTypeEnum from "~/schemas/public/OrderTypeEnum";
 import { createTRPCRouter, protectedProcedure } from "~/server/api/trpc";
 import {
 	getPagamentoDataForCheckout,
-	preparePayment,
 	type PreparedPaymentData,
+	preparePayment,
 } from "~/server/controllers/pagamenti.controller";
 
 import { db } from "~/server/db";
@@ -45,16 +45,18 @@ export const pagamentiRouter = createTRPCRouter({
 				type: z.custom<OrderTypeEnum>(),
 			}),
 		)
-		.output(z.discriminatedUnion("", [
-						z.object({
-							success: z.literal(true),
-							data: z.custom<PreparedPaymentData>(),
-						}),
-						z.object({
-							success: z.literal(false),
-							message: z.string(),
-						}),
-					]),)
+		.output(
+			z.discriminatedUnion("success", [
+				z.object({
+					success: z.literal(true),
+					data: z.custom<PreparedPaymentData>(),
+				}),
+				z.object({
+					success: z.literal(false),
+					message: z.string(),
+				}),
+			]),
+		)
 		.query(async ({ input }) => {
 			return await preparePayment(input.servizioId, input.type);
 		}),