diff --git a/website/client/composables/useZipProcessor.ts b/website/client/composables/useZipProcessor.ts
index 64a3104b..23d12774 100644
--- a/website/client/composables/useZipProcessor.ts
+++ b/website/client/composables/useZipProcessor.ts
@@ -16,7 +16,7 @@ export function useZipProcessor() {
           if (err) {
             reject(new Error(`Failed to create ZIP file: ${err.message}`));
           } else {
-            const zipBlob = new Blob([data], { type: 'application/zip' });
+            const zipBlob = new Blob([data as BlobPart], { type: 'application/zip' });
             resolve(new File([zipBlob], `${folderName}.zip`, { type: 'application/zip' }));
           }
         });