diff --git a/apps/scandic-web/server/routers/booking/output.ts b/apps/scandic-web/server/routers/booking/output.ts
index 581c7ffb9..2e97d5853 100644
--- a/apps/scandic-web/server/routers/booking/output.ts
+++ b/apps/scandic-web/server/routers/booking/output.ts
@@ -3,7 +3,6 @@ import { z } from "zod"
 import { BookingStatusEnum, ChildBedTypeEnum } from "@/constants/booking"
 
 import { nullableArrayObjectValidator } from "@/utils/zod/arrayValidator"
-import { phoneValidator } from "@/utils/zod/phoneValidator"
 import { nullableStringValidator } from "@/utils/zod/stringValidator"
 
 // MUTATION
@@ -76,7 +75,7 @@ const guestSchema = z.object({
   firstName: z.string().nullable().default(""),
   lastName: z.string().nullable().default(""),
   membershipNumber: z.string().nullable().default(""),
-  phoneNumber: phoneValidator().nullable().default(""),
+  phoneNumber: z.string().nullable().default(""),
   countryCode: z.string().nullable().default(""),
 })