diff --git a/app/api/bookings/[id]/quotation-pdf/route.ts b/app/api/bookings/[id]/quotation-pdf/route.ts
index 0904ac9..f09d477 100644
--- a/app/api/bookings/[id]/quotation-pdf/route.ts
+++ b/app/api/bookings/[id]/quotation-pdf/route.ts
@@ -36,7 +36,7 @@ export async function GET(
 
     const pdfBuffer = await lexofficeService.getQuotationPDF(booking.lexofficeOfferId);
 
-    return new NextResponse(pdfBuffer, {
+    return new NextResponse(new Uint8Array(pdfBuffer), {
       status: 200,
       headers: {
         'Content-Type': 'application/pdf',