diff --git a/apps/api/lib/validations/booking.ts b/apps/api/lib/validations/booking.ts
index efbdecbbed..21dacd0611 100644
--- a/apps/api/lib/validations/booking.ts
+++ b/apps/api/lib/validations/booking.ts
@@ -58,7 +58,7 @@ export const schemaBookingReadPublic = Booking.extend({
       })
     )
     .optional(),
-  responses: z.record(z.any()),
+  responses: z.record(z.any()).nullable(),
 }).pick({
   id: true,
   userId: true,