diff --git a/config/initializers/noosfero_extensions.rb b/config/initializers/noosfero_extensions.rb
index eb7aa89..63039f0 100644
--- a/config/initializers/noosfero_extensions.rb
+++ b/config/initializers/noosfero_extensions.rb
@@ -1,2 +1,3 @@
 require 'noosfero/role_assignment_ext'
 require 'noosfero/action_tracker_ext'
+require 'noosfero/vote_ext'
diff --git a/lib/noosfero/vote_ext.rb b/lib/noosfero/vote_ext.rb
new file mode 100644
index 0000000..12f78f6
--- /dev/null
+++ b/lib/noosfero/vote_ext.rb
@@ -0,0 +1,7 @@
+require_dependency 'models/vote'
+
+class Vote
+
+  validates_uniqueness_of :voteable_id, :scope => [:voteable_type, :voter_type, :voter_id]
+
+end
diff --git a/plugins/vote/lib/ext/vote.rb b/plugins/vote/lib/ext/vote.rb
deleted file mode 100644
index 12f78f6..0000000
--- a/plugins/vote/lib/ext/vote.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-require_dependency 'models/vote'
-
-class Vote
-
-  validates_uniqueness_of :voteable_id, :scope => [:voteable_type, :voter_type, :voter_id]
-
-end
--
libgit2 0.21.2