diff --git a/lib/6to5/traverse/scope.js b/lib/6to5/traverse/scope.js
index eaa82a51b2..ff22708fb5 100644
--- a/lib/6to5/traverse/scope.js
+++ b/lib/6to5/traverse/scope.js
@@ -24,7 +24,12 @@ function Scope(block, parent) {
 }
 
 var vars = require("jshint/src/vars");
-Scope.defaultDeclarations = _.flatten([vars.newEcmaIdentifiers, vars.node, vars.ecmaIdentifiers, vars.reservedVars].map(_.keys));
+Scope.defaultDeclarations = _.flatten([
+  vars.newEcmaIdentifiers,
+  vars.node,
+  vars.ecmaIdentifiers,
+  vars.reservedVars
+].map(_.keys));
 
 Scope.add = function (node, references) {
   if (!node) return;