diff --git a/app/pages/page.tsx b/app/pages/page.tsx
index 6cddb9d..e83d8d6 100644
--- a/app/pages/page.tsx
+++ b/app/pages/page.tsx
@@ -786,7 +786,7 @@ export default function CarnetPage() {
         }
       } else {
         const errorText = await response.text().catch(() => '');
-        let errorData = {};
+        let errorData: { message?: string; error?: string } = {};
         try {
           errorData = errorText ? JSON.parse(errorText) : {};
         } catch {