diff --git a/api/v1/views.py b/api/v1/views.py
index ea96b54e..043c0fb8 100644
--- a/api/v1/views.py
+++ b/api/v1/views.py
@@ -73,7 +73,7 @@ class CategoryViewSet(ExtendedModelViewSet):
 
 class CourseViewSet(ExtendedModelViewSet):
     queryset = Course.objects.select_related(
-        'author', 'category', 'cover',
+        'author', 'category', 'cover', 'gallery',
     ).prefetch_related(
         'likes', 'materials', 'content',
     ).all()