diff --git a/cms/templates/container.html b/cms/templates/container.html
index 27b20adb0f..6aaef8a6a9 100644
--- a/cms/templates/container.html
+++ b/cms/templates/container.html
@@ -22,6 +22,7 @@ from django.utils.translation import ugettext as _
%block>
<%block name="jsextra">
+
<%
main_xblock_info = {
'id': str(xblock_locator),
diff --git a/cms/templates/unit.html b/cms/templates/unit.html
index f28075a1ca..f204472cec 100644
--- a/cms/templates/unit.html
+++ b/cms/templates/unit.html
@@ -19,6 +19,7 @@ from django.utils.translation import ugettext as _
%block>
<%block name="jsextra">
+