diff --git a/apps/web/components/booking/BookingDescription.tsx b/apps/web/components/booking/BookingDescription.tsx
index cec0a6a0a6..76411e2d75 100644
--- a/apps/web/components/booking/BookingDescription.tsx
+++ b/apps/web/components/booking/BookingDescription.tsx
@@ -46,14 +46,16 @@ const BookingDescription: FC<Props> = (props) => {
   const { profile, eventType, isBookingPage = false, children } = props;
   const { date: bookingDate } = useRouterQuery("date");
   const { t } = useLocale();
-  const { duration = eventType.length.toString(), setQuery: setDuration } = useRouterQuery("duration");
+  const { duration, setQuery: setDuration } = useRouterQuery("duration");
 
   useEffect(() => {
     if (
-      eventType.metadata?.multipleDuration &&
-      !eventType.metadata?.multipleDuration?.includes(Number(duration))
+      !duration ||
+      isNaN(Number(duration)) ||
+      (eventType.metadata?.multipleDuration &&
+        !eventType.metadata?.multipleDuration.includes(Number(duration)))
     ) {
-      setDuration(eventType.length.toString());
+      setDuration(eventType.length);
     }
   }, [duration, setDuration, eventType.length, eventType.metadata?.multipleDuration]);