diff --git a/manifests/client.pp b/manifests/client.pp
index 4796b8335..0bfa8256d 100644
--- a/manifests/client.pp
+++ b/manifests/client.pp
@@ -1,9 +1,9 @@
 class nova::client(
-
+  $ensure = 'present',	
 ) {
 
   package { 'python-novaclient':
-    ensure => present,
+    ensure => $ensure,
   }
 
 }
diff --git a/spec/classes/nova_client_spec.rb b/spec/classes/nova_client_spec.rb
index 126cd197c..46c88aee3 100644
--- a/spec/classes/nova_client_spec.rb
+++ b/spec/classes/nova_client_spec.rb
@@ -2,4 +2,11 @@ require 'spec_helper'
 
 describe 'nova::client' do
   it { should contain_package('python-novaclient').with_ensure('present') }
+  describe "with specified version" do
+  	let :params do
+      {:ensure => '2012.1-2'}
+    end
+
+    it { should contain_package('python-novaclient').with_ensure('2012.1-2') }
+  end
 end