diff --git a/app/serializers/collection_min_serializer.rb b/app/serializers/collection_min_serializer.rb
index 93fd70127987d425aebb76a7c994970a54221957..ed64ea51bd441011fceba6c5a0bf5f52c0c2a7eb 100644
--- a/app/serializers/collection_min_serializer.rb
+++ b/app/serializers/collection_min_serializer.rb
@@ -13,7 +13,7 @@ class CollectionMinSerializer < ActiveModel::Serializer
     object.complained? current_user
   end
 
-  attributes :id, :name, :owner, :created_at, :updated_at, :description, :privacy, :score, :likes_count, :liked, :reviewed, :complained :review_average, :thumbnail
+  attributes :id, :name, :owner, :created_at, :updated_at, :description, :privacy, :score, :likes_count, :liked, :reviewed, :complained, :review_average, :thumbnail
   has_many :tags
   has_many :subjects
   has_many :educational_stages