diff --git a/.jshintrc b/.jshintrc
index fd6da821..a808c7a4 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -15,5 +15,5 @@
     "shadow": true,     // allow variable shadowing (re-use of names...)
     "sub": true,        // don't warn that foo['bar'] should be written as foo.bar
     "proto": true       // allow setting of __proto__ in node < v0.12
-    /* "esversion": 6      // allow es6 */
+    "esversion": 6      // allow es6
 }