diff --git a/packages/hydrojudge/src/hosts/hydro.ts b/packages/hydrojudge/src/hosts/hydro.ts
index 645ca2b33..2485ad4c3 100644
--- a/packages/hydrojudge/src/hosts/hydro.ts
+++ b/packages/hydrojudge/src/hosts/hydro.ts
@@ -73,7 +73,7 @@ export default class Hydro implements Session {
                 await pipeRequest(this.get(res.body.links[name]), w, 60000, name);
             });
         }
-        await queue.onEmpty();
+        await queue.onIdle();
         return null;
     }