diff --git a/lib/nconf/provider.js b/lib/nconf/provider.js
index c331c73..5acfc97 100644
--- a/lib/nconf/provider.js
+++ b/lib/nconf/provider.js
@@ -30,7 +30,7 @@ var Provider = exports.Provider = function (options) {
 // in this instance
 //
 
-['add', 'env'].forEach(function (type) {
+['argv', 'env'].forEach(function (type) {
   Provider.prototype[type] = function () {
     var args = [type].concat(Array.prototype.slice.call(arguments));
     return this.add.apply(this, args);