diff --git a/Gruntfile.js b/Gruntfile.js
index c03c4e5c2e3..71353fc14e1 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -229,8 +229,9 @@ module.exports = function(grunt) {
      * @return {String} The rewritten destination path.
      */
     var babelRename = function(destPath, srcPath) {
-        destPath = srcPath.replace('src', 'build');
-        destPath = destPath.replace('.js', '.min.js');
+        const path = require('path');
+        destPath = srcPath.replace(`amd${path.sep}src`, `amd${path.sep}build`);
+        destPath = destPath.replace(/\.js$/, '.min.js');
         return destPath;
     };