diff --git a/grunt/config/compass.js b/grunt/config/compass.js
index 4c224ff6..a1b03604 100644
--- a/grunt/config/compass.js
+++ b/grunt/config/compass.js
@@ -5,6 +5,7 @@ module.exports = {
       sassDir: 'src/html',
       outputStyle: 'compact',
       noLineComments: true,
+      bundleExec: true
     }
   }
 };