diff --git a/Gruntfile.js b/Gruntfile.js
index 2b9c188992..bc7d009f0a 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -170,6 +170,7 @@ module.exports = function (grunt) {
         compatibility: 'ie9',
         keepSpecialComments: '*',
         sourceMap: true,
+        sourceMapInlineSources: true,
         advanced: false
       },
       core: {