diff --git a/packages/hydrooj/src/lib/hash.hydro.ts b/packages/hydrooj/src/lib/hash.hydro.ts
index 8d246413a..be7bf7a8c 100644
--- a/packages/hydrooj/src/lib/hash.hydro.ts
+++ b/packages/hydrooj/src/lib/hash.hydro.ts
@@ -9,5 +9,5 @@ function hash(password: string, salt: string): Promise<string> {
     });
 }
 
-export = hash;
+export default hash;
 global.Hydro.module.hash.hydro = hash;