diff --git a/lib/utils/prototypes.js b/lib/utils/prototypes.js
index aba2952..af3cacb 100644
--- a/lib/utils/prototypes.js
+++ b/lib/utils/prototypes.js
@@ -52,3 +52,12 @@ Object.defineProperty(Array.prototype, 'map', function (fn, array) {
   })
   return result
 })
+
+Object.defineProperty(Object, 'isObject', {
+  configurable: true,
+  enumerable: false,
+  writable: true,
+  value: function (obj) {
+    return ((!!obj) && (obj.constructor === Object))
+  }
+})