diff --git a/ember-cli-build.js b/ember-cli-build.js
index 21d8538e1..e98fa1e7e 100644
--- a/ember-cli-build.js
+++ b/ember-cli-build.js
@@ -200,6 +200,8 @@ module.exports = function (defaults) {
             ],
             optimizer: {
                 plugins: [
+                    {prefixIds: true},
+                    {cleanupIds: false},
                     {removeDimensions: true},
                     {removeTitle: true},
                     {removeXMLNS: true},