diff --git a/app/(dashboard)/invoices/[id]/page.tsx b/app/(dashboard)/invoices/[id]/page.tsx
index fa55051e..22adc2d5 100644
--- a/app/(dashboard)/invoices/[id]/page.tsx
+++ b/app/(dashboard)/invoices/[id]/page.tsx
@@ -1778,7 +1778,7 @@ export default function InvoiceDetailPage({ params }: { params: Promise<{ id: st
           )}
           {/* Review in the browser (#1190); the download lives in the menu. */}
           {!isSelfBilled && (
-            <Button variant="outline" onClick={previewPDF}>
+            <Button variant="outline" onClick={() => previewPDF()}>
               <Eye className="mr-2 h-4 w-4" />
               {t('preview_pdf')}
             </Button>