diff --git a/api/v1/serializers/course.py b/api/v1/serializers/course.py
index 0a465c0f..833dd98a 100644
--- a/api/v1/serializers/course.py
+++ b/api/v1/serializers/course.py
@@ -140,7 +140,7 @@ class CourseCreateSerializer(DispatchContentMixin,
         return course
 
         def to_representation(self, instance):
-            return CourseSerializer(obj, context=self.context).to_representation(obj)
+            return CourseSerializer(instance, context=self.context).to_representation(instance)
 
 
 class CourseSerializer(CourseCreateSerializer):