diff --git a/index.js b/index.js
index 65230a6..edbdf3f 100644
--- a/index.js
+++ b/index.js
@@ -1 +1 @@
-module.exports = (object, defaultValue) => new Proxy(object, {get: (object, key) => typeof object[key] == 'undefined' ? defaultValue : object[key]})
+module.exports = (object, defaultValue) => new Proxy(object, {get: (object, key) => key in object ? object[key] : defaultValue})