diff --git a/spec/classes/munin_node_spec.rb b/spec/classes/munin_node_spec.rb
index 6220232..da3c37e 100644
--- a/spec/classes/munin_node_spec.rb
+++ b/spec/classes/munin_node_spec.rb
@@ -1,54 +1,60 @@
 require 'spec_helper'
 
 describe 'munin::node' do
 
   [ :CentOS, :Debian, :RedHat, :Ubuntu ].each do |sc|
     context "Check for supported operatingsystem #{sc}" do
       include_context sc
       it { should compile }
       it { should contain_class('munin::node') }
       it {
         should contain_package('munin-node')
         should contain_service('munin-node')
         should contain_file('/etc/munin/munin-node.conf')
       }
     end
   end
 
   [ :SmartOS ].each do |sc|
     context "Check for supported operatingsystem #{sc}" do
       include_context sc
       it { should compile }
       it { should contain_class('munin::node') }
       it {
         should contain_package('munin-node')
         should contain_service('smf:/munin-node')
         should contain_file('/opt/local/etc/munin/munin-node.conf')
       }
     end
   end
 
   context 'unsupported' do
     include_context :unsupported
     it {
       expect {
         should contain_class('munin::node')
       }.to raise_error(Puppet::Error, /Unsupported osfamily/)
     }
   end
 
   context 'acl with ipv4 and ipv6 addresses' do
     include_context :Debian
     let(:params) do
-      { allow: ['2001:db8:1::', '2001:db8:2::/64', '192.0.2.129', '192.0.2.0/25'] }
+      { allow: ['2001:db8:1::',
+                '2001:db8:2::/64',
+                '192.0.2.129',
+                '192.0.2.0/25',
+                '192\.0\.2']
+      }
     end
     it do
       should contain_file('/etc/munin/munin-node.conf')
         .with_content(/^cidr_allow 192.0.2.0\/25$/)
         .with_content(/^cidr_allow 2001:db8:2::\/64$/)
         .with_content(/^allow \^192\\.0\\.2\\.129\$$/)
+        .with_content(/^allow 192\\.0\\.2$/)
         .with_content(/^allow \^2001:db8:1::\$$/)
     end
   end
 
 end