diff --git a/app/presenters/post_set_presenters/favorite.rb b/app/presenters/post_set_presenters/favorite.rb
index b9a97fd4f..312414057 100644
--- a/app/presenters/post_set_presenters/favorite.rb
+++ b/app/presenters/post_set_presenters/favorite.rb
@@ -17,7 +17,7 @@ module PostSetPresenters
     end
     
     def posts
-      favorites.map(&:post)
+      @posts ||= favorite_set.posts
     end
   end
 end