diff --git a/lib/puppet/provider/service/systemd.rb b/lib/puppet/provider/service/systemd.rb
index 6a451f0f8a0..33c9432722e 100644
--- a/lib/puppet/provider/service/systemd.rb
+++ b/lib/puppet/provider/service/systemd.rb
@@ -26,6 +26,7 @@
   defaultfor :operatingsystem => :ubuntu
   notdefaultfor :operatingsystem => :ubuntu, :operatingsystemmajrelease => ["10.04", "12.04", "14.04", "14.10"] # These are using upstart
   defaultfor :operatingsystem => :cumuluslinux, :operatingsystemmajrelease => ["3", "4"]
+  defaultfor :operatingsystem => :gentoo
 
   def self.instances
     i = []