diff --git a/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios/vhost_cluster_status.pp b/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios/vhost_cluster_status.pp
index 618216f..09eea0a 100644
--- a/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios/vhost_cluster_status.pp
+++ b/deployment_scripts/puppet/modules/lma_infra_alerting/manifests/nagios/vhost_cluster_status.pp
@@ -51,6 +51,6 @@ define lma_infra_alerting::nagios::vhost_cluster_status(
     hostname              => $hostname,
     notifications_enabled => $notifications_enabled,
     contact_group         => $contact_group,
-    services              => prefix($services, "${title} "),
+    services              => prefix($services, "${title}-"),
   }
 }
diff --git a/deployment_scripts/puppet/modules/lma_infra_alerting/spec/defines/lma_infra_alerting_vhost_cluster_status_spec.rb b/deployment_scripts/puppet/modules/lma_infra_alerting/spec/defines/lma_infra_alerting_vhost_cluster_status_spec.rb
index 07e82fb..03793b0 100644
--- a/deployment_scripts/puppet/modules/lma_infra_alerting/spec/defines/lma_infra_alerting_vhost_cluster_status_spec.rb
+++ b/deployment_scripts/puppet/modules/lma_infra_alerting/spec/defines/lma_infra_alerting_vhost_cluster_status_spec.rb
@@ -28,8 +28,8 @@ describe 'lma_infra_alerting::nagios::vhost_cluster_status' do
     describe 'with 2 services' do
         it { should contain_nagios__host('foohost') }
         it { should contain_lma_infra_alerting__nagios__services('footitle for foohost') }
-        it { should contain_nagios__service('footitle a') }
-        it { should contain_nagios__service('footitle b') }
+        it { should contain_nagios__service('footitle-a') }
+        it { should contain_nagios__service('footitle-b') }
     end
 end