diff --git a/app/models/learning_object/attachment.rb b/app/models/learning_object/attachment.rb
index 1aff7410484096c1d5a0551e2b2e897c92bb3ce8..1a4b61ae5209df8ead554e26bac814ad69dd33dc 100644
--- a/app/models/learning_object/attachment.rb
+++ b/app/models/learning_object/attachment.rb
@@ -1,6 +1,8 @@
-class LearningObject::Attachment
-  include ActiveModel::Model
+module LearningObject
+  class Attachment
+    include ActiveModel::Model
 
-  #this attributes mirror Dspace bitstream values
-  attr_accessor :id, :name, :link, :retrieve_link, :description, :format, :mime_type, :size
+    #this attributes mirror Dspace bitstream values
+    attr_accessor :id, :name, :link, :retrieve_link, :description, :format, :mime_type, :size
+  end
 end