diff --git a/Gruntfile.js b/Gruntfile.js
index f79dd59e..8669010e 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -27,8 +27,8 @@ module.exports = function (grunt) {
 				'js/util/dom_request_xhr.js', // req when using XHR
 				'js/util/dom_request_script.js', // req otherwise
 //				'js/widget/loader.js', // optional
-				'inc/polyfill/Base64.js',
-				'inc/polyfill/base64binary.js'
+				'inc/shim/Base64.js',
+				'inc/shim/base64binary.js'
 			]
 		},
 		uglify: {
@@ -44,4 +44,4 @@ module.exports = function (grunt) {
 	///
 	grunt.registerTask('default', ['concat', 'uglify']);
 	///
-};
\ No newline at end of file
+};