diff --git a/bin/legacy.js b/bin/legacy.js
index 470d0269..c30802c3 100755
--- a/bin/legacy.js
+++ b/bin/legacy.js
@@ -6,13 +6,12 @@ const fs = require('fs');
 const path = require('path');
 
 const dir = path.join(__dirname, '../server');
-const _dir = path.join(__dirname, '../legacy/server');
+const dir_ = path.join(__dirname, '../legacy/server');
 
 const setDir = (name) => {
-    return path.join(_dir, name);
+    return path.join(dir_, name);
 };
 
-
 fs.readdirSync(dir)
   .map(fillFile)
   .map(writeFile);