diff --git a/courses/serializers/v2/courses_test.py b/courses/serializers/v2/courses_test.py
index 13705eeb69..d5530e0a38 100644
--- a/courses/serializers/v2/courses_test.py
+++ b/courses/serializers/v2/courses_test.py
@@ -101,7 +101,7 @@ def test_serialize_course_required_prerequisites(
             "next_run_id": None,
             "departments": [],
             "page": CoursePageSerializer(course.page).data,
-            "certificate_type": None,
+            "certificate_type": "Certificate of Completion",
             "topics": [],
             "required_prerequisites": expected_required_prerequisites,
             "programs": None,