diff --git a/gruntfile.js b/gruntfile.js
index eab691c4..ed686b42 100644
--- a/gruntfile.js
+++ b/gruntfile.js
@@ -14,7 +14,7 @@ module.exports = function (grunt) {
                 files: [{
                     expand: true,
                     cwd: "src/",
-                    src: ["**.*"],
+                    src: ["/**/**.*"],
                     dest: "lib/",
                     ext: ".js"
                 }]