diff --git a/app/api/calendars/[id]/route.ts b/app/api/calendars/[id]/route.ts
index a7630d55..25ea758f 100644
--- a/app/api/calendars/[id]/route.ts
+++ b/app/api/calendars/[id]/route.ts
@@ -144,7 +144,7 @@ export async function DELETE(
 ) {
   const session = await getServerSession(authOptions);
 
-  if (!session?.user?.username) {
+  if (!session?.user?.id) {
     return NextResponse.json({ error: "Non authentifié" }, { status: 401 });
   }
 
@@ -153,7 +153,7 @@ export async function DELETE(
     const calendar = await prisma.calendar.findFirst({
       where: {
         id: params.id,
-        userId: session.user.username,
+        userId: session.user.id,
       },
     });