diff --git a/gruntfile.js b/gruntfile.js
index 6d8057ca4..5eda6b12c 100644
--- a/gruntfile.js
+++ b/gruntfile.js
@@ -154,7 +154,7 @@ module.exports = function(grunt) {
                 options: nsSubDir
             },
             package: {
-                command: "npm pack '" + moduleOutDir + "'"
+                command: "npm pack \"" + moduleOutDir + "\""
             }
         },
         env: {