diff --git a/lib/facter/sudoversion.rb b/lib/facter/sudoversion.rb
index cf80bdf..6ec9eac 100644
--- a/lib/facter/sudoversion.rb
+++ b/lib/facter/sudoversion.rb
@@ -1,13 +1,16 @@
 require 'puppet'
 Facter.add(:sudoversion) do
+  confine :os do |os|
+    os['family'] != 'windows'
+  end
   setcode do
     if Facter::Util::Resolution.which('sudo')
       sudoversion = Facter::Util::Resolution.exec('sudo -V 2>&1')
       %r{^Sudo version ([\w\.]+)}.match(sudoversion)[1]
     elsif Facter::Util::Resolution.which('rpm')
       Facter::Util::Resolution.exec('rpm -q sudo --qf \'%{VERSION}\'')
     elsif Facter::Util::Resolution.which('dpkg-query')
       Facter::Util::Resolution.exec('dpkg-query -W -f=\'${Version}\n\' sudo')
     end
   end
 end