diff --git a/packages/features/bookings/Booker/components/BookEventForm/BookEventForm.tsx b/packages/features/bookings/Booker/components/BookEventForm/BookEventForm.tsx
index cf8f356955..d6f351168a 100644
--- a/packages/features/bookings/Booker/components/BookEventForm/BookEventForm.tsx
+++ b/packages/features/bookings/Booker/components/BookEventForm/BookEventForm.tsx
@@ -59,7 +59,7 @@ export const BookEventForm = ({
   const isPaidEvent = useMemo(() => {
     if (!eventType?.price) return false;
     const paymentAppData = getPaymentAppData(eventType);
-    return eventType?.price > 0 || paymentAppData.price > 0;
+    return eventType?.price > 0 && !Number.isNaN(paymentAppData.price) && paymentAppData.price > 0;
   }, [eventType]);
 
   if (eventQuery.isError) return <Alert severity="warning" message={t("error_booking_event")} />;