diff --git a/app/serializers/collection_serializer.rb b/app/serializers/collection_serializer.rb
index 8ab0f80edb6d089a03d4cbf6aac4041ac7336cdd..94f6bf6ce48c750ca922f5861f90359671b4ff15 100644
--- a/app/serializers/collection_serializer.rb
+++ b/app/serializers/collection_serializer.rb
@@ -28,7 +28,7 @@ class CollectionSerializer < ActiveModel::Serializer
     thumbs
   end
 
-  attributes :id, :name, :created_at, :updated_at, :description, :privacy, :score, :likes_count, :liked, :reviewed, :complained, :review_average, :thumbnail, :items_thumbnails
+  attributes :id, :name, :created_at, :updated_at, :description, :privacy, :score, :likes_count, :liked, :followed, :reviewed, :complained, :review_average, :thumbnail, :items_thumbnails
 
   belongs_to :owner
   has_many :tags