diff --git a/cms/djangoapps/contentstore/api/views/course_quality.py b/cms/djangoapps/contentstore/api/views/course_quality.py
index 297a530d76..42489978b8 100644
--- a/cms/djangoapps/contentstore/api/views/course_quality.py
+++ b/cms/djangoapps/contentstore/api/views/course_quality.py
@@ -272,5 +272,5 @@ class CourseQualityView(DeveloperErrorViewMixin, GenericAPIView):
                 max=max(data),
                 mean=np.around(np.mean(data)),
                 median=np.around(np.median(data)),
-                mode=stats.mode(data, axis=None)[0][0],
+                mode=stats.mode(data, axis=None)[0],
             )