diff --git a/app/models/product.rb b/app/models/product.rb
index 536b3dbbf..e52a700f0 100644
--- a/app/models/product.rb
+++ b/app/models/product.rb
@@ -10,7 +10,7 @@ class Product < ActiveRecord::Base
 
   has_attached_file :tar
 
-  validates_attachment_content_type :tar, :content_type => ["application/gnutar", "application/x-compressed", "application/x-gzip", "application/x-bzip", "application/x-bzip2", "application/x-tar"], :message => I18n.t('layout.invalid_content_type')
+  validates_attachment_content_type :tar, :content_type => ["application/gnutar", "application/x-compressed", "application/x-gzip", "application/x-bzip", "application/x-bzip2", "application/x-tar", "application/octet-stream"], :message => I18n.t('layout.invalid_content_type')
   validates :name, :presence => true, :uniqueness => {:scope => :platform_id}
 
   scope :recent, order("name ASC")