diff --git a/files/index.js b/files/index.js
index 22fbc77..7f3b80a 100644
--- a/files/index.js
+++ b/files/index.js
@@ -106,7 +106,7 @@ const app = new Koa();
 const pug = new koaPug({
     viewPath: path.join(__dirname, "views"),
     locals: {
-        moment: (date, tz) => util.datetime(date, util.formats.file_date, tz), },
+        moment: (date, tz) => util.datetime(date, util.date_formats.file_date, tz), },
     app: app
 });