diff --git a/cms/static/js/views/container.js b/cms/static/js/views/container.js
index 8deefb758b..5d43112bb7 100644
--- a/cms/static/js/views/container.js
+++ b/cms/static/js/views/container.js
@@ -1,9 +1,9 @@
 define([
     'jquery', 'underscore', 'js/views/xblock', 'js/utils/module',
-    'gettext', 'common/js/components/views/feedback_notification',
-    'jquery.ui'
+    'gettext', 'edx-ui-toolkit/js/utils/string-utils',
+    'common/js/components/views/feedback_notification', 'jquery.ui'
 ], // The container view uses sortable, which is provided by jquery.ui.
-    function($, _, XBlockView, ModuleUtils, gettext, NotificationView) {
+    function($, _, XBlockView, ModuleUtils, gettext, StringUtils, NotificationView) {
         'use strict';
 
         var studioXBlockWrapperClass = '.studio-xblock-wrapper';
@@ -142,7 +142,15 @@ define([
             },
 
             makeRequestSpecificSelector: function(selector) {
-                return 'div.xblock[data-request-token="' + this.requestToken + '"] > ' + selector;
+                return StringUtils.interpolate(
+                    gettext('{startTag}{requestToken}{endTag}{selector}'),
+                    {
+                        startTag: 'div.xblock[data-request-token="',
+                        requestToken: this.requestToken,
+                        endTag: '"] > ',
+                        selector: selector
+                    }
+                );
             }
         });