diff --git a/frontend/src/components/calendar/CalendarPage.tsx b/frontend/src/components/calendar/CalendarPage.tsx
index dcade84..40ef617 100644
--- a/frontend/src/components/calendar/CalendarPage.tsx
+++ b/frontend/src/components/calendar/CalendarPage.tsx
@@ -364,14 +364,13 @@ export default function CalendarPage() {
     start: event.start_datetime,
     end: event.end_datetime || undefined,
     allDay: event.all_day,
-    backgroundColor: event.calendar_color || 'hsl(var(--accent-color))',
-    borderColor: event.calendar_color || 'hsl(var(--accent-color))',
     editable: permissionMap.get(event.calendar_id) !== 'read_only',
     extendedProps: {
       is_virtual: event.is_virtual,
       is_recurring: event.is_recurring,
       parent_event_id: event.parent_event_id,
       calendar_id: event.calendar_id,
+      calendarColor: event.calendar_color || 'hsl(var(--accent-color))',
     },
   }));