diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index bcd88410f..6dd822a4e 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.9.4",
+    "version": "2.9.5",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrojudge/src/hosts/hydro.ts b/packages/hydrojudge/src/hosts/hydro.ts
index 62b190651..6836c8369 100644
--- a/packages/hydrojudge/src/hosts/hydro.ts
+++ b/packages/hydrojudge/src/hosts/hydro.ts
@@ -233,7 +233,7 @@ export default class Hydro {
             const tasks = [];
             const queue = new PQueue({ concurrency: 10 });
             for (const name in res.data.links) {
-                tasks.push(queue.add(() => download(name)));
+                tasks.push(queue.add(() => download.call(this, name)));
             }
             queue.start();
             await Promise.all(tasks);