diff --git a/manifests/params/node.pp b/manifests/params/node.pp
index 2af6a0b..b273409 100644
--- a/manifests/params/node.pp
+++ b/manifests/params/node.pp
@@ -1,78 +1,85 @@
 # Parameters for the munin::node class. Add support for new OS
 # families here.
 class munin::params::node {
 
   $message = "Unsupported osfamily: ${::osfamily}"
 
   $address        = $::fqdn
   $host_name      = $::fqdn
   $bind_address   = '*'
   $bind_port      = 4949
   $allow          = []
   $masterconfig   = []
   $mastergroup    = undef
   $mastername     = undef
   $nodeconfig     = []
   $plugins        = {}
   $service_ensure = undef
   $export_node    = 'enabled'
   $log_file       = 'munin-node.log'
   $log_destination = 'file'
   $syslog_facility = undef
   $purge_configs   = false
   $timeout         = undef
 
   case $::osfamily {
-    'Archlinux',
+    'Archlinux':  {
+      $config_root  = '/etc/munin'
+      $log_dir      = '/var/log/munin'
+      $service_name = 'munin-node'
+      $package_name = 'munin-node'
+      $plugin_share_dir = '/usr/lib/munin/plugins'
+      $file_group   = 'root'
+    }
     'RedHat': {
       $config_root  = '/etc/munin'
       $log_dir      = '/var/log/munin-node'
       $service_name = 'munin-node'
       $package_name = 'munin-node'
       $plugin_share_dir = '/usr/share/munin/plugins'
       $file_group   = 'root'
     }
     'Debian': {
       $config_root  = '/etc/munin'
       $log_dir      = '/var/log/munin'
       $service_name = 'munin-node'
       $package_name = 'munin-node'
       $plugin_share_dir = '/usr/share/munin/plugins'
       $file_group   = 'root'
     }
     'Solaris': {
       case $::operatingsystem {
         'SmartOS': {
           $config_root  = '/opt/local/etc/munin'
           $log_dir      = '/var/opt/log/munin'
           $service_name = 'smf:/munin-node'
           $package_name = 'munin-node'
           $plugin_share_dir = '/opt/local/share/munin/plugins'
           $file_group   = 'root'
         }
         default: {
           fail("Unsupported operatingsystem ${::operatingsystem} for osfamily ${::osfamily}")
         }
       }
     }
     'FreeBSD', 'DragonFly': {
       $config_root  = '/usr/local/etc/munin'
       $log_dir      = '/var/log/munin'
       $service_name = 'munin-node'
       $package_name = 'munin-node'
       $plugin_share_dir = '/usr/local/share/munin/plugins'
       $file_group   = 'wheel'
     }
     'OpenBSD': {
       $config_root  = '/etc/munin'
       $log_dir      = '/var/log/munin'
       $service_name = 'munin_node'
       $package_name = 'munin-node'
       $plugin_share_dir = '/usr/local/libexec/munin/plugins'
       $file_group   = 'wheel'
     }
     default: {
       fail($message)
     }
   }
 }
diff --git a/spec/defines/munin_plugin_spec.rb b/spec/defines/munin_plugin_spec.rb
index afd208e..a4fb37b 100644
--- a/spec/defines/munin_plugin_spec.rb
+++ b/spec/defines/munin_plugin_spec.rb
@@ -1,142 +1,143 @@
 require 'spec_helper'
 
 t_conf_dir = {}
 t_conf_dir.default = '/etc/munin'
 t_conf_dir['Solaris'] = '/opt/local/etc/munin'
 t_conf_dir['FreeBSD'] = '/usr/local/etc/munin'
 
 t_share_dir = {}
 t_share_dir.default = '/usr/share/munin'
 t_share_dir['Solaris'] = '/opt/local/share/munin'
 t_share_dir['FreeBSD'] = '/usr/local/share/munin'
+t_share_dir['Archlinux'] = '/usr/lib/munin'
 
 describe 'munin::plugin', type: 'define' do
   let(:title) { 'testplugin' }
 
   on_supported_os.each do |os, facts|
     # Avoid testing on distributions similar to RedHat and Debian
     next if os =~ %r{^(ubuntu|centos|scientific|oraclelinux)-}
 
     # No need to test all os versions as long as os version is not
     # used in the params class
     next if os =~ %r{^(debian-[67]|redhat-[56]|freebsd-9)-}
 
     context "on #{os}" do
       let(:facts) do
         facts
       end
 
       conf_dir = t_conf_dir[facts[:osfamily]]
       plugin_share_dir = "#{t_share_dir[facts[:osfamily]]}/plugins"
 
       context 'with no parameters' do
         it do
           expect { is_expected.to contain_file("#{conf_dir}/plugins/testplugin") }
             .to raise_error("expected that the catalogue would contain File[#{conf_dir}/plugins/testplugin]")
         end
         it do
           is_expected.to contain_file("#{conf_dir}/plugin-conf.d/testplugin.conf")
             .with_ensure('absent')
         end
       end
 
       context 'with ensure=link parameter' do
         let(:params) { { ensure: 'link' } }
 
         it do
           is_expected.to contain_file("#{conf_dir}/plugins/testplugin")
             .with_ensure('link')
             .with_target("#{plugin_share_dir}/testplugin")
         end
         it do
           is_expected.to contain_file("#{conf_dir}/plugin-conf.d/testplugin.conf")
             .with_ensure('absent')
         end
       end
 
       context 'with ensure=link and target parameters' do
         let(:title) { 'test_foo' }
         let(:params) do
           { ensure: 'link',
             target: 'test_' }
         end
 
         it do
           is_expected.to contain_file("#{conf_dir}/plugins/test_foo")
             .with_ensure('link')
             .with_target("#{plugin_share_dir}/test_")
         end
         it do
           is_expected.to contain_file("#{conf_dir}/plugin-conf.d/test_foo.conf")
             .with_ensure('absent')
         end
       end
 
       context 'with ensure=present and source parameters' do
         let(:params) do
           { ensure: 'present',
             source: 'puppet:///modules/munin/plugins/testplugin' }
         end
 
         it do
           is_expected.to contain_file("#{conf_dir}/plugins/testplugin")
             .with_ensure('present')
             .with_source('puppet:///modules/munin/plugins/testplugin')
         end
         it do
           is_expected.to contain_file("#{conf_dir}/plugin-conf.d/testplugin.conf")
             .with_ensure('absent')
         end
       end
 
       context 'with ensure=present, source and config parameters' do
         let(:params) do
           { ensure: 'present',
             source: 'puppet:///modules/munin/plugins/testplugin',
             config: ['something wonderful'] }
         end
 
         it do
           is_expected.to contain_file("#{conf_dir}/plugins/testplugin")
             .with_ensure('present')
             .with_source('puppet:///modules/munin/plugins/testplugin')
         end
         it do
           is_expected.to contain_file("#{conf_dir}/plugin-conf.d/testplugin.conf")
             .with_ensure('present')
             .with_content(%r{something wonderful})
         end
       end
 
       context 'only configuration' do
         let(:params) do
           { config: ['env.rootdn cn=admin,dc=example,dc=org'],
             config_label: 'slapd_*' }
         end
 
         it do
           is_expected.to contain_file("#{conf_dir}/plugin-conf.d/testplugin.conf")
             .with_ensure('present')
             .with_content(%r{env.rootdn})
         end
         it do
           expect { is_expected.to contain_file("#{conf_dir}/plugins/testplugin") }
             .to raise_error("expected that the catalogue would contain File[#{conf_dir}/plugins/testplugin]")
         end
       end
 
       context 'with absolute target' do
         let(:params) do
           { ensure: 'link',
             target: '/full/path/to/testplugin' }
         end
 
         it do
           is_expected.to contain_file("#{conf_dir}/plugins/testplugin")
             .with_ensure('link')
             .with_target('/full/path/to/testplugin')
         end
       end
     end
   end
 end