diff --git a/manifests/generic_service.pp b/manifests/generic_service.pp
index ea6486573..2ead9bda5 100644
--- a/manifests/generic_service.pp
+++ b/manifests/generic_service.pp
@@ -32,10 +32,12 @@ define nova::generic_service(
   # I need to mark that ths package should be
   # installed before nova_config
   if ($package_name) {
-    package { $nova_title:
-      ensure => $ensure_package,
-      name   => $package_name,
-      notify => Service[$nova_title],
+    if !defined(Package[$package_name]) {
+      package { $nova_title:
+        ensure => $ensure_package,
+        name   => $package_name,
+        notify => Service[$nova_title],
+      }
     }
   }
 
@@ -53,7 +55,7 @@ define nova::generic_service(
       name      => $service_name,
       enable    => $enabled,
       hasstatus => true,
-      require   => [Package['nova-common'], Package[$nova_title]],
+      require   => [Package['nova-common'], Package[$package_name]],
     }
   }
 }
diff --git a/spec/defines/nova_generic_service_spec.rb b/spec/defines/nova_generic_service_spec.rb
index 324f68c7b..1cad4f7a5 100644
--- a/spec/defines/nova_generic_service_spec.rb
+++ b/spec/defines/nova_generic_service_spec.rb
@@ -26,7 +26,7 @@ describe 'nova::generic_service' do
       'name'    => 'food',
       'ensure'  => 'running',
       'enable'  => true,
-      'require' => ['Package[nova-common]', 'Package[nova-foo]']
+      'require' => ['Package[nova-common]', 'Package[foo]']
     )}
   end
 end