diff --git a/lib/puppet/provider/service/systemd.rb b/lib/puppet/provider/service/systemd.rb
index e2edcf73fb4..6e37b6b3332 100644
--- a/lib/puppet/provider/service/systemd.rb
+++ b/lib/puppet/provider/service/systemd.rb
@@ -23,7 +23,7 @@
   defaultfor :osfamily => :redhat, :operatingsystem => :fedora
   defaultfor :osfamily => :suse
   defaultfor :osfamily => :coreos
-  defaultfor :operatingsystem => :debian, :operatingsystemmajrelease => "8"
+  defaultfor :operatingsystem => :debian, :operatingsystemmajrelease => ["8", "9"]
   defaultfor :operatingsystem => :ubuntu, :operatingsystemmajrelease => ["15.04","15.10","16.04","16.10"]
   defaultfor :operatingsystem => :cumuluslinux, :operatingsystemmajrelease => ["3"]