1 files changed, 7 insertions, 5 deletions
diff --git a/node_modules/core-js/modules/es6.set.js b/node_modules/core-js/modules/es6.set.js
index a18808818..55b8bdd89 100644
--- a/node_modules/core-js/modules/es6.set.js
+++ b/node_modules/core-js/modules/es6.set.js
@@ -1,12 +1,14 @@
 'use strict';
 var strong = require('./_collection-strong');
+var validate = require('./_validate-collection');
+var SET = 'Set';
 
 // 23.2 Set Objects
-module.exports = require('./_collection')('Set', function(get){
-  return function Set(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
+module.exports = require('./_collection')(SET, function (get) {
+  return function Set() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.2.3.1 Set.prototype.add(value)
-  add: function add(value){
-    return strong.def(this, value = value === 0 ? 0 : value, value);
+  add: function add(value) {
+    return strong.def(validate(this, SET), value = value === 0 ? 0 : value, value);
   }
-}, strong);
-\ No newline at end of file
+}, strong);