diff --git a/lib/server/plugins.js b/lib/server/plugins.js
index 8b8edbbd..3bd2179f 100644
--- a/lib/server/plugins.js
+++ b/lib/server/plugins.js
@@ -10,7 +10,7 @@ module.exports = currify(function(plugins, req, res, next) {
     if (!plugins || !plugins.length)
         return res.send('');
     
-    files.readPipe(plugins, res, (e) => {
+    files.readPipe(plugins, res, function(e) {
         if (!e)
             return;