diff --git a/src/oca/rm/image.rb b/src/oca/rm/image.rb
index 904819307d..f1ce5ede6a 100644
--- a/src/oca/rm/image.rb
+++ b/src/oca/rm/image.rb
@@ -1,6 +1,9 @@
 
 module OpenNebula
     class Image < Sequel::Model
+        plugin :schema
+        plugin :hook_class_methods
+        
         # Creates the database table asociated with the model. It first
         # checks for table existence before creating it so it is reasonably
         # safe to call it when you load the library.
@@ -138,6 +141,8 @@ module OpenNebula
     end
     
     class ImageAcl < Sequel::Model
+        plugin :schema
+        
         def self.initialize_table
             set_schema do
                 primary_key :id, :type => Integer
diff --git a/src/oca/rm/repo_manager.rb b/src/oca/rm/repo_manager.rb
index d5381ace00..0c4c2e356f 100644
--- a/src/oca/rm/repo_manager.rb
+++ b/src/oca/rm/repo_manager.rb
@@ -3,7 +3,7 @@ require 'rubygems'
 #require 'storage_pool'
 require 'uuid'
 require 'fileutils'
-gem 'sequel', '< 3.0'
+#gem 'sequel', '< 3.0'
 require 'sequel'
 require 'logger'