diff --git a/src/app/api/designs/[id]/route.ts b/src/app/api/designs/[id]/route.ts
index 36f5c81..b240fd2 100644
--- a/src/app/api/designs/[id]/route.ts
+++ b/src/app/api/designs/[id]/route.ts
@@ -61,7 +61,7 @@ export async function DELETE(
   try {
     // Delete associated messages first
     await prisma.designApprovalMessage.deleteMany({
-      where: { designApprovalId: params.id },
+      where: { designId: params.id },
     });
 
     // Delete the design approval