diff --git a/apps/web/components/booking/BookingListItem.tsx b/apps/web/components/booking/BookingListItem.tsx
index e4de4c315ec4cf..b8eb7954ef141a 100644
--- a/apps/web/components/booking/BookingListItem.tsx
+++ b/apps/web/components/booking/BookingListItem.tsx
@@ -903,7 +903,7 @@ const RecurringBookingsTooltip = ({
 
   return (
     (booking.recurringInfo &&
-      booking.eventType?.recurringEvent?.freq &&
+      booking.eventType?.recurringEvent?.freq != null &&
       (booking.listingStatus === "recurring" ||
         booking.listingStatus === "unconfirmed" ||
         booking.listingStatus === "cancelled") && (
diff --git a/packages/lib/recurringStrings.ts b/packages/lib/recurringStrings.ts
index 6a272739954d04..61ee2b4abcf49c 100644
--- a/packages/lib/recurringStrings.ts
+++ b/packages/lib/recurringStrings.ts
@@ -34,7 +34,7 @@ export const getEveryFreqFor = ({
   recurringCount?: number;
   recurringFreq?: string;
 }): string => {
-  if (recurringEvent.freq) {
+  if (recurringEvent.freq != null) {
     return `${recurringFreq || getRecurringFreq({ t, recurringEvent })} ${
       recurringCount || recurringEvent.count
     } ${t("occurrence", {
diff --git a/packages/platform/atoms/hooks/bookings/useHandleBookEvent.ts b/packages/platform/atoms/hooks/bookings/useHandleBookEvent.ts
index 8260e05cb86cfc..b84021d7d38395 100644
--- a/packages/platform/atoms/hooks/bookings/useHandleBookEvent.ts
+++ b/packages/platform/atoms/hooks/bookings/useHandleBookEvent.ts
@@ -14,7 +14,7 @@ import { showToast } from "@calcom/ui/components/toast";
 import { getUtmTrackingParameters } from "../../lib/getUtmTrackingParameters";
 import type { UseCreateBookingInput } from "./useCreateBooking";
 
-type Callbacks = { onSuccess?: () => void; onError?: (err: any) => void };
+type Callbacks = { onSuccess?: () => void; onError?: (err: unknown) => void };
 type UseHandleBookingProps = {
   bookingForm: UseBookingFormReturnType["bookingForm"];
   event?: {
@@ -64,8 +64,8 @@ export const useHandleBookEvent = ({
   const crmAppSlug = useBookerStoreContext((state) => state.crmAppSlug);
   const crmRecordId = useBookerStoreContext((state) => state.crmRecordId);
   const verificationCode = useBookerStoreContext((state) => state.verificationCode);
-  const handleError = (err: any) => {
-    const errorMessage = err?.message ? t(err.message) : t("can_you_try_again");
+  const handleError = (err: unknown) => {
+    const errorMessage = err instanceof Error ? t(err.message) : t("can_you_try_again");
     showToast(errorMessage, "error");
   };
   const searchParams = useSearchParams();
@@ -121,7 +121,7 @@ export const useHandleBookEvent = ({
 
       if (isInstantMeeting) {
         handleInstantBooking(mapBookingToMutationInput(bookingInput), callbacks);
-      } else if (event.data?.recurringEvent?.freq && recurringEventCount && !rescheduleUid) {
+      } else if (event.data?.recurringEvent?.freq != null && recurringEventCount && !rescheduleUid) {
         handleRecBooking(
           mapRecurringBookingToMutationInput(bookingInput, recurringEventCount, tracking),
           callbacks