diff --git a/lms/templates/courseware/courseware.html b/lms/templates/courseware/courseware.html
index fe25581a35..070c751d1a 100644
--- a/lms/templates/courseware/courseware.html
+++ b/lms/templates/courseware/courseware.html
@@ -6,7 +6,7 @@
<% return _("{course_number} Courseware").format(course_number=course.display_number_with_default) %>
%def>
-<%block name="bodyclass">courseware ${course.css_class}%block>
+<%block name="bodyclass">courseware ${course.css_class or ''}%block>
<%block name="title">
% if section_title:
${page_title_breadcrumbs(section_title, course_name())}
diff --git a/lms/templates/courseware/info.html b/lms/templates/courseware/info.html
index 3c2109d1f2..913968481f 100644
--- a/lms/templates/courseware/info.html
+++ b/lms/templates/courseware/info.html
@@ -24,7 +24,7 @@ $(document).ready(function(){
%block>
-<%block name="bodyclass">${course.css_class}%block>
+<%block name="bodyclass">${course.css_class or ''}%block>
% if user.is_authenticated():
diff --git a/lms/templates/courseware/static_tab.html b/lms/templates/courseware/static_tab.html
index 2efc351cc4..4f8f54fc8d 100644
--- a/lms/templates/courseware/static_tab.html
+++ b/lms/templates/courseware/static_tab.html
@@ -1,5 +1,5 @@
<%inherit file="/main.html" />
-<%block name="bodyclass">${course.css_class}%block>
+<%block name="bodyclass">${course.css_class or ''}%block>
<%namespace name='static' file='/static_content.html'/>
<%block name="headextra">