diff --git a/Gruntfile.js b/Gruntfile.js
index b8e5b06..b1bc2ca 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -81,7 +81,7 @@ module.exports = function(grunt) {
 		},
 		watch: {
 			scripts: {
-				files: ['src/**/*.js', 'reader/**/*.js'],
+				files: ['src/**/*.js', 'reader/**/*.js', 'reader_src/**/*.js'],
 				tasks: ['concat_sourcemap', 'uglify'],
 				options: {
 					interrupt: true,