diff --git a/packages/platform/atoms/event-types/hooks/useEventTypeForm.ts b/packages/platform/atoms/event-types/hooks/useEventTypeForm.ts
index 0da7eadf87..6669cada2a 100644
--- a/packages/platform/atoms/event-types/hooks/useEventTypeForm.ts
+++ b/packages/platform/atoms/event-types/hooks/useEventTypeForm.ts
@@ -332,8 +332,9 @@ export const useEventTypeForm = ({
     } = dirtyValues;
     if (length && !Number(length)) throw new Error(t("event_setup_length_error"));
 
-    const finalSeatsPerTimeSlot = seatsPerTimeSlot ?? values.seatsPerTimeSlot;
-    const finalRecurringEvent = recurringEvent ?? values.recurringEvent;
+    const finalSeatsPerTimeSlot =
+      seatsPerTimeSlot === undefined ? eventType.seatsPerTimeSlot : seatsPerTimeSlot;
+    const finalRecurringEvent = recurringEvent === undefined ? eventType.recurringEvent : recurringEvent;
 
     if (finalSeatsPerTimeSlot && finalRecurringEvent) {
       throw new Error(t("recurring_event_seats_error"));
diff --git a/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts b/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts
index 7d098bddbe..ebf03e1f14 100644
--- a/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts
+++ b/packages/trpc/server/routers/viewer/eventTypes/update.handler.ts
@@ -195,8 +195,9 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
     throw new TRPCError({ code: "UNAUTHORIZED" });
   }
 
-  const finalSeatsPerTimeSlot = seatsPerTimeSlot ?? eventType.seatsPerTimeSlot;
-  const finalRecurringEvent = recurringEvent ?? eventType.recurringEvent;
+  const finalSeatsPerTimeSlot =
+    seatsPerTimeSlot === undefined ? eventType.seatsPerTimeSlot : seatsPerTimeSlot;
+  const finalRecurringEvent = recurringEvent === undefined ? eventType.recurringEvent : recurringEvent;
 
   if (finalSeatsPerTimeSlot && finalRecurringEvent) {
     throw new TRPCError({