diff --git a/lms/djangoapps/course_home_api/outline/serializers.py b/lms/djangoapps/course_home_api/outline/serializers.py
index f73f0b933920..c1e5462cb3fd 100644
--- a/lms/djangoapps/course_home_api/outline/serializers.py
+++ b/lms/djangoapps/course_home_api/outline/serializers.py
@@ -30,7 +30,7 @@ def get_blocks(self, block):  # pylint: disable=missing-function-docstring
         scored = block.get('scored')
 
         if (settings.FEATURES.get('ENABLE_COURSEWARE_OUTLINE_QUESTION_COUNT') and
-                num_graded_problems and block_type == 'sequential'):
+                num_graded_problems and block_type == 'vertical'):
             questions = ngettext('({number} Question)', '({number} Questions)', num_graded_problems)
             display_name += ' ' + questions.format(number=num_graded_problems)