diff --git a/spec/unit/classes/server_spec.rb b/spec/unit/classes/server_spec.rb
index 14891fe..852b7e4 100644
--- a/spec/unit/classes/server_spec.rb
+++ b/spec/unit/classes/server_spec.rb
@@ -6,7 +6,8 @@ describe 'postgresql::server', :type => :class do
       :osfamily => 'Debian',
       :operatingsystem => 'Debian',
       :lsbdistid => 'Debian',
-      :operatingsystemrelease => '6.0',
+      :lsbdistcodename => 'jessie',
+      :operatingsystemrelease => '8.0',
       :concat_basedir => tmpfilename('server'),
       :kernel => 'Linux',
       :id => 'root',