diff --git a/AUTHORS b/AUTHORS
index 2d24a82d0d..81423febb4 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -183,3 +183,4 @@ Akiva Leffert <akiva@edx.org>
 Mike Bifulco <mbifulco@aquent.com>
 Jim Zheng <jimzheng@stanford.edu>
 Afzal Wali <afzaledx@edx.org>
+Wenjie Wu <wuwenjie718@gmail.com>
diff --git a/lms/djangoapps/instructor/views/legacy.py b/lms/djangoapps/instructor/views/legacy.py
index cc1b10bb12..1c6180fe09 100644
--- a/lms/djangoapps/instructor/views/legacy.py
+++ b/lms/djangoapps/instructor/views/legacy.py
@@ -1082,14 +1082,14 @@ def get_answers_distribution(request, course_key):
     """
     course = get_course_with_access(request.user, 'staff', course_key)
 
-    dist = grades.answer_distributions(course.id)
+    course_answer_distributions = grades.answer_distributions(course.id)
 
     dist = {}
     dist['header'] = ['url_name', 'display name', 'answer id', 'answer', 'count']
 
     dist['data'] = [
         [url_name, display_name, answer_id, a, answers[a]]
-        for (url_name, display_name, answer_id), answers in sorted(dist.items())
+        for (url_name, display_name, answer_id), answers in sorted(course_answer_distributions.items())
         for a in answers
     ]
     return dist