diff --git a/components/calendar.tsx b/components/calendar.tsx
index 97ba772..42614c3 100644
--- a/components/calendar.tsx
+++ b/components/calendar.tsx
@@ -119,7 +119,7 @@ export function Calendar() {
       setEvents(upcomingEvents);
       
       // Dispatch event for Outlook-style notifications (when events start)
-      const eventsForNotification = upcomingEvents.map(evt => ({
+      const eventsForNotification = upcomingEvents.map((evt: Event) => ({
         id: evt.id,
         title: evt.title,
         start: evt.start instanceof Date ? evt.start : new Date(evt.start),