diff --git a/frontend/src/components/calendar/CalendarPage.tsx b/frontend/src/components/calendar/CalendarPage.tsx
index 7fb18f1..8274a89 100644
--- a/frontend/src/components/calendar/CalendarPage.tsx
+++ b/frontend/src/components/calendar/CalendarPage.tsx
@@ -242,9 +242,10 @@ export default function CalendarPage() {
   const selectedEventPermission = selectedEvent ? permissionMap.get(selectedEvent.calendar_id) ?? null : null;
   const selectedEventIsShared = selectedEvent ? sharedCalendarIds.has(selectedEvent.calendar_id) : false;
 
-  // Close panel if shared calendar was removed while viewing
+  // Close panel if shared calendar was removed while viewing (skip for invited events)
   useEffect(() => {
     if (!selectedEvent || allCalendarIds.size === 0) return;
+    if (selectedEvent.is_invited) return;
     if (!allCalendarIds.has(selectedEvent.calendar_id)) {
       handlePanelClose();
       toast.info('This calendar is no longer available');