diff --git a/packages/trpc/lib/routers/hotels/schemas/hotel/specialAlerts.ts b/packages/trpc/lib/routers/hotels/schemas/hotel/specialAlerts.ts
index 338964fd3..1485d0ac0 100644
--- a/packages/trpc/lib/routers/hotels/schemas/hotel/specialAlerts.ts
+++ b/packages/trpc/lib/routers/hotels/schemas/hotel/specialAlerts.ts
@@ -29,7 +29,7 @@ export const specialAlertsSchema = z
       text: alert.description || null,
       type: AlertTypeEnum.Info,
       displayInBookingFlow: alert.displayInBookingFlow,
-      endDate: dt.utc(alert.endDate).toISOString(),
-      startDate: dt.utc(alert.startDate).toISOString(),
+      endDate: alert.endDate ? dt.utc(alert.endDate).toISOString() : null,
+      startDate: alert.startDate ? dt.utc(alert.startDate).toISOString() : null,
     }))
   )