diff --git a/lms/djangoapps/courseware/grades.py b/lms/djangoapps/courseware/grades.py
index 1ea7b87..3d8d8b0 100644
--- a/lms/djangoapps/courseware/grades.py
+++ b/lms/djangoapps/courseware/grades.py
@@ -157,14 +157,14 @@ def progress_summary(student, course, grader, student_module_cache):
     for c in course.get_display_items():
         # Skip if the chapter is hidden
         hidden = c.metadata.get('hide_from_toc','false')
-        if hidden == 'true':
+        if hidden.lower() == 'true':
             continue
 
         sections = []
         for s in c.get_display_items():
             # Skip if the section is hidden
             hidden = s.metadata.get('hide_from_toc','false')
-            if hidden == 'true':
+            if hidden.lower() == 'true':
                 continue
 
             # Same for sections