diff --git a/lib/facter/windows_env.rb b/lib/facter/windows_env.rb
index 11e38ed..a7d17c0 100644
--- a/lib/facter/windows_env.rb
+++ b/lib/facter/windows_env.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 Facter.add('windows_env') do
-  confine osfamily: :windows
+  confine 'os.family': :windows
   setcode do
     require 'puppet/util/windows/process'
 
diff --git a/lib/puppet/provider/windows_env/windows_env.rb b/lib/puppet/provider/windows_env/windows_env.rb
index e489095..e204dd1 100644
--- a/lib/puppet/provider/windows_env/windows_env.rb
+++ b/lib/puppet/provider/windows_env/windows_env.rb
@@ -43,8 +43,8 @@ def evaluate
   desc 'Manage Windows environment variables'
 
   confine feature: :windows_env
-  confine osfamily: :windows
-  defaultfor osfamily: :windows
+  confine 'os.family': :windows
+  defaultfor 'os.family': :windows
 
   # For testing registry open result
   ERROR_FILE_NOT_FOUND = 2