diff --git a/pages/api/bookings/index.ts b/pages/api/bookings/index.ts
index 1b23a5e3f3..0a421298e1 100644
--- a/pages/api/bookings/index.ts
+++ b/pages/api/bookings/index.ts
@@ -105,8 +105,8 @@ async function createOrlistAllBookings(
         description: "",
         additionalNotes: "",
         customInputs: {},
-        startTime: booking.startTime,
-        endTime: booking.endTime,
+        startTime: booking.startTime.toISOString(),
+        endTime: booking.endTime.toISOString(),
         organizer: {
           name: "",
           email: "",