diff --git a/app/api/calendars/[id]/events/route.ts b/app/api/calendars/[id]/events/route.ts
index 09275052..9795c6dc 100644
--- a/app/api/calendars/[id]/events/route.ts
+++ b/app/api/calendars/[id]/events/route.ts
@@ -156,6 +156,7 @@ export async function POST(req: NextRequest, props: { params: Promise<{ id: stri
         location,
         isAllDay: isAllDay || false,
         calendarId: params.id,
+        userId: session.user.username,
       },
     });