diff --git a/md6.js b/md6.js
index 69dace8..49f47a0 100644
--- a/md6.js
+++ b/md6.js
@@ -332,4 +332,4 @@ var md6hash = function () {
     };
 };
 
-module.exports = md6hash();
+module.exports = md6hash;