diff --git a/spec/action_view/instance_tag_spec.rb b/spec/action_view/instance_tag_spec.rb
index a07b311..435ca62 100644
--- a/spec/action_view/instance_tag_spec.rb
+++ b/spec/action_view/instance_tag_spec.rb
@@ -1,5 +1,7 @@
 require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
 
+ValidatesTimeliness.enable_datetime_select_extension!
+
 describe 'ValidatesTimeliness::ActionView::InstanceTag' do
   include ActionView::Helpers::DateHelper
   include ActionController::Assertions::SelectorAssertions
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b36f7d5..54cbfa9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -47,8 +47,6 @@ end
 require 'validates_timeliness'
 require 'validates_timeliness/matcher'
 
-ValidatesTimeliness.enable_datetime_select_extension!
-
 ActiveRecord::Migration.verbose = false
 ActiveRecord::Base.establish_connection({:adapter => 'sqlite3', :database => ':memory:'})