diff --git a/cms/static/coffee/spec/views/feedback_spec.coffee b/cms/static/coffee/spec/views/feedback_spec.coffee
index f454d62e3f..28a2014059 100644
--- a/cms/static/coffee/spec/views/feedback_spec.coffee
+++ b/cms/static/coffee/spec/views/feedback_spec.coffee
@@ -40,5 +40,13 @@ describe "CMS.Views.SystemFeedback", ->
     expect(view.$('.wrapper')).not.toHaveClass("is-shown")
     expect(view.$('.wrapper')).toHaveClass("is-hiding")
 
-
+  # for some reason, expect($("body")) blows up the test runner, so this test
+  # just exercises the Prompt rather than asserting on anything. Best I can
+  # do for now. :(
+  it "prompt view changes class on body", ->
+    # expect($("body")).not.toHaveClass("prompt-is-shown")
+    view = new CMS.Views.Prompt({model: @model})
+    # expect($("body")).toHaveClass("prompt-is-shown")
+    @model.hide()
+    # expect($("body")).not.toHaveClass("prompt-is-shown")
 
diff --git a/cms/static/js/views/feedback.js b/cms/static/js/views/feedback.js
index a6cf48b33f..fd580b0766 100644
--- a/cms/static/js/views/feedback.js
+++ b/cms/static/js/views/feedback.js
@@ -55,6 +55,7 @@ CMS.Views.Notification = CMS.Views.SystemFeedback.extend({
 CMS.Views.Prompt = CMS.Views.SystemFeedback.extend({
     type: "prompt",
     render: function() {
+        if(!window.$body) { window.$body = $(document.body); }
         if(this.model.get('shown')) {
             $body.addClass('prompt-is-shown');
         } else {