diff --git a/REFERENCE.md b/REFERENCE.md
index b6bcdd9..b372705 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -65,9 +65,9 @@ Default value: `['postfix']`
 
 Data type: `String`
 
-defaults to 'install'
+defaults to 'installed'
 
-Default value: `'present'`
+Default value: `'installed'`
 
 ##### <a name="-postfix--use_profile"></a>`use_profile`
 
diff --git a/manifests/init.pp b/manifests/init.pp
index 13c16d3..4581b48 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -7,7 +7,7 @@
 # @param packages 
 #   packages to install
 # @param package_ensure
-#   defaults to 'install'
+#   defaults to 'installed'
 # @param use_profile
 #   profile for the configuration to use.
 # @param parameters
@@ -66,7 +66,7 @@
 #
 class postfix (
   Array               $packages            = ['postfix'],
-  String              $package_ensure      = 'present',
+  String              $package_ensure      = 'installed',
   String[1]           $use_profile         = 'none',
   Hash                $parameters          = {},
   Hash                $parameters_profiles = {},
diff --git a/spec/classes/postfix_spec.rb b/spec/classes/postfix_spec.rb
index a122633..772156b 100644
--- a/spec/classes/postfix_spec.rb
+++ b/spec/classes/postfix_spec.rb
@@ -11,7 +11,7 @@
     it { is_expected.to contain_class('postfix::service') }
     it {
       is_expected.to contain_package('postfix')
-        .with(ensure: 'present',
+        .with(ensure: 'installed',
               tag: 'postfix-packages')
     }
   end