diff --git a/src/app/api/sales/batch-save/route.ts b/src/app/api/sales/batch-save/route.ts
index 9e21ad8..e7b42e8 100644
--- a/src/app/api/sales/batch-save/route.ts
+++ b/src/app/api/sales/batch-save/route.ts
@@ -31,7 +31,7 @@ export async function POST(req: NextRequest) {
 
     const prisma = getPrisma();
 
-    const result = await prisma.$transaction(async (tx) => {
+    const result = await prisma.$transaction(async (tx: any) => {
       // Elevate privileges to admin role to bypass RLS for n8n batch operations
       await tx.$executeRawUnsafe(`SET LOCAL app.current_user_role = 'admin';`);