diff --git a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/transformers/internal-to-api/booking-fields.ts b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/transformers/internal-to-api/booking-fields.ts
index c83bcc4a3a..0c17a962a4 100644
--- a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/transformers/internal-to-api/booking-fields.ts
+++ b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/transformers/internal-to-api/booking-fields.ts
@@ -318,7 +318,7 @@ const CustomFieldsSchema = z.object({
       id: z.literal("user"),
       type: z.literal("user"),
       label: z.literal("User"),
-      fieldRequired: z.literal(true),
+      fieldRequired: z.boolean().optional(),
     })
   ),
   editable: z.enum(["user", "user-readonly"]),