diff --git a/components/bookingTable.tsx b/components/bookingTable.tsx
index ae723c0..95ddb2e 100644
--- a/components/bookingTable.tsx
+++ b/components/bookingTable.tsx
@@ -4,11 +4,7 @@ import Link from 'next/link'
 import { daysFormatFrontend } from '../helpers/date'
 import { IBooking } from '../db/booking'
 
-export default function BookingTable({
-  booking,
-}: {
-  booking: IBooking
-}) {
+export default function BookingTable({ booking }: { booking: IBooking }) {
   const data = [
     { name: 'Status', value: booking.status },
     { name: 'Buchungszeitraum', value: daysFormatFrontend(booking.days) },
@@ -50,16 +46,11 @@ export default function BookingTable({
           </Link>
         </h3>
         <p className="mt-1 max-w-2xl text-sm text-gray-500">
-          Created{' '}
-          {new Date(booking.createdAt).toLocaleString(
-            new Intl.Locale('de')
-          )}
+          Created {booking.createdAt?.toLocaleString(new Intl.Locale('de'))}
         </p>
         <p className="mt-1 max-w-2xl text-sm text-gray-500">
           Last updated{' '}
-          {new Date(booking.updatedAt as string).toLocaleString(
-            new Intl.Locale('de')
-          )}
+          {booking.updatedAt?.toLocaleString(new Intl.Locale('de'))}
         </p>
       </div>
       <div className="border-t border-gray-200">
@@ -67,8 +58,9 @@ export default function BookingTable({
           {data.map(({ name, value }, index) => (
             <div
               key={`${booking.uuid}-${name}`}
-              className={`${index % 2 === 1 ? 'bg-white' : 'bg-gray-100'
-                } px-2 py-3 sm:grid sm:grid-cols-3 sm:gap-4 sm:px-6`}
+              className={`${
+                index % 2 === 1 ? 'bg-white' : 'bg-gray-100'
+              } px-2 py-3 sm:grid sm:grid-cols-3 sm:gap-4 sm:px-6`}
             >
               <dt className="text-sm font-medium text-gray-500">{name}</dt>
               <dd className="mt-1 text-sm text-gray-900 sm:mt-0 sm:col-span-2">
@@ -80,4 +72,4 @@ export default function BookingTable({
       </div>
     </div>
   )
-}
\ No newline at end of file
+}
diff --git a/db/booking.ts b/db/booking.ts
index 8e03cab..1eea973 100644
--- a/db/booking.ts
+++ b/db/booking.ts
@@ -28,6 +28,8 @@ export interface IBooking {
   destination?: string
   days?: string[]
   calendarEventId?: string
+  createdAt?: NativeDate
+  updatedAt?: NativeDate
   toJSON?: () => IBooking
 }