diff --git a/pages/api/book/confirm.ts b/pages/api/book/confirm.ts
index 9d0d62d1..eb62a2f8 100644
--- a/pages/api/book/confirm.ts
+++ b/pages/api/book/confirm.ts
@@ -187,6 +187,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     } else {
       await refund(booking, evt);
       const rejectionReason = asStringOrNull(req.body.reason) || "";
+      evt.rejectionReason = rejectionReason;
       await prisma.booking.update({
         where: {
           id: bookingId,