diff --git a/src/sendgb.js b/src/sendgb.js
index e474054..b934996 100644
--- a/src/sendgb.js
+++ b/src/sendgb.js
@@ -68,7 +68,7 @@ if (!res.ok || !res.body) {
 C.info("Content-type: " + res.headers.get("content-type"))
 const filename =
   res.headers.get("content-disposition")?.match(/filename="?([^"]+)"?/)?.[1]
-  ?? "download.zip";
+  ?? `${url.replace(base, '')}-sendgb.zip`;
 
 C.info(`Downloading ${filename}`);