diff --git a/gruntfile.js b/gruntfile.js
index 3cf5c7505..25bf0c282 100644
--- a/gruntfile.js
+++ b/gruntfile.js
@@ -225,6 +225,7 @@ module.exports = function(grunt) {
                     "!" + localCfg.srcDir + "/apps/**"
                 ].concat(localCfg.defaultExcludes).concat(localCfg.excludedModules),
                 dest: localCfg.outDefinitionsDir + "/",
+                expand: true,
                 options: {
                     process: filterTypeScriptFiles
                 }
diff --git a/package.json b/package.json
index f07810618..90e6a0f5c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "devDependencies": {
     "grunt": "0.4.5",
     "grunt-contrib-clean": "0.6.0",
-    "grunt-contrib-copy": "0.8.0",
+    "grunt-contrib-copy": "git+https://github.com/ErjanGavalji/grunt-contrib-copy.git#1c976a133210be4ce8c96313f5daf14833f7f8f9",
     "grunt-exec": "0.4.6",
     "grunt-multi-dest": "1.0.0",
     "grunt-shell": "1.1.2",