diff --git a/manifests/service.pp b/manifests/service.pp
index 5284643..2c0b3c2 100644
--- a/manifests/service.pp
+++ b/manifests/service.pp
@@ -58,20 +58,20 @@
 #   Check https://www.puppet.com/docs/puppet/7/types/service.html#service-attribute-stop for more information.
 #
 define types::service (
-  Stdlib::Ensure::Service                           $ensure      = 'running',
-  Optional[String[1]]                               $binary      = undef,
-  Optional[String[1]]                               $control     = undef,
-  Variant[Boolean, Enum['true', 'false', 'manual']] $enable      = true,
-  Optional[Variant[Boolean, Enum['true', 'false']]] $hasrestart  = undef,
-  Optional[Variant[Boolean, Enum['true', 'false']]] $hasstatus   = undef,
-  Optional[String[1]]                               $manifest    = undef,
-  Optional[String[1]]                               $path        = undef,
-  Optional[String[1]]                               $pattern     = undef,
-  Optional[String[1]]                               $provider    = undef,
-  Optional[String[1]]                               $restart     = undef,
-  Optional[String[1]]                               $start       = undef,
-  Optional[String[1]]                               $status      = undef,
-  Optional[String[1]]                               $stop        = undef,
+  Stdlib::Ensure::Service          $ensure      = 'running',
+  Optional[String[1]]              $binary      = undef,
+  Optional[String[1]]              $control     = undef,
+  Variant[Boolean, Enum['manual']] $enable      = true,
+  Optional[Boolean]                $hasrestart  = undef,
+  Optional[Boolean]                $hasstatus   = undef,
+  Optional[String[1]]              $manifest    = undef,
+  Optional[String[1]]              $path        = undef,
+  Optional[String[1]]              $pattern     = undef,
+  Optional[String[1]]              $provider    = undef,
+  Optional[String[1]]              $restart     = undef,
+  Optional[String[1]]              $start       = undef,
+  Optional[String[1]]              $status      = undef,
+  Optional[String[1]]              $stop        = undef,
 ) {
   service { $name:
     ensure     => $ensure,
diff --git a/spec/classes/init_spec.rb b/spec/classes/init_spec.rb
index 4c8ea71..caf55e1 100644
--- a/spec/classes/init_spec.rb
+++ b/spec/classes/init_spec.rb
@@ -536,11 +536,11 @@
         services: {
           'service-stopped' => {
             'ensure' => 'stopped',
-            'enable' => 'false',
+            'enable' => false,
           },
           'service-running' => {
             'ensure' => 'running',
-            'enable' => 'true',
+            'enable' => true,
           }
         }
       }
@@ -552,7 +552,7 @@
       is_expected.to contain_service('service-stopped').with(
         {
           'ensure' => 'stopped',
-          'enable' => 'false',
+          'enable' => false,
         },
       )
     end
@@ -561,7 +561,7 @@
       is_expected.to contain_service('service-running').with(
         {
           'ensure' => 'running',
-          'enable' => 'true',
+          'enable' => true,
         },
       )
     end
diff --git a/spec/defines/service_spec.rb b/spec/defines/service_spec.rb
index ea7963e..7ba4256 100644
--- a/spec/defines/service_spec.rb
+++ b/spec/defines/service_spec.rb
@@ -21,8 +21,8 @@
         binary:     '/bin/true',
         control:    'SERVICE_MAXIMUM_START',
         enable:     'manual',
-        hasrestart: 'true',
-        hasstatus:  'false',
+        hasrestart: true,
+        hasstatus:  false,
         manifest:   '/bin/manifest',
         path:       '/etc/init.d',
         pattern:    'service_maximum',
@@ -68,7 +68,7 @@
   end
 
   describe 'with parameter enable' do
-    ['true', true, 'false', false, 'manual'].each do |value|
+    [true, false, 'manual'].each do |value|
       context "set to #{value}" do
         let(:title) { 'my_service' }
         let(:params) { { enable: value } }