diff --git a/api/v1/serializers/course.py b/api/v1/serializers/course.py
index a9679fee..67516670 100644
--- a/api/v1/serializers/course.py
+++ b/api/v1/serializers/course.py
@@ -375,6 +375,7 @@ class CourseSerializer(serializers.ModelSerializer):
 
 
 class CommentSerializer(serializers.ModelSerializer):
+    author = UserSerializer()
 
     class Meta:
         model = Comment
@@ -396,6 +397,7 @@ class CommentSerializer(serializers.ModelSerializer):
 
 
 class CourseCommentSerializer(serializers.ModelSerializer):
+    author = UserSerializer()
 
     class Meta:
         model = CourseComment
@@ -405,6 +407,7 @@ class CourseCommentSerializer(serializers.ModelSerializer):
 
 
 class LessonCommentSerializer(serializers.ModelSerializer):
+    author = UserSerializer()
 
     class Meta:
         model = LessonComment