diff --git a/spec/classes/observium_spec.rb b/spec/classes/observium_spec.rb
index 0cd963d..6f4da7a 100644
--- a/spec/classes/observium_spec.rb
+++ b/spec/classes/observium_spec.rb
@@ -9,7 +9,11 @@
 
       it { is_expected.to compile }
 
-      
+      if :operatingsystem == 'RedHat' 
+        it { is_expected.to contain_service('httpd') }
+      elsif :operatingsystem == 'Ubuntu'
+        it { is_expected.to contain_service('apache2') }
+      end
     end
   end
 end