diff --git a/elements/puppet-stack-config/puppet-stack-config.pp b/elements/puppet-stack-config/puppet-stack-config.pp
index 50a57cb64..4d88420be 100644
--- a/elements/puppet-stack-config/puppet-stack-config.pp
+++ b/elements/puppet-stack-config/puppet-stack-config.pp
@@ -319,4 +319,6 @@ ironic_config {
 class { 'horizon':
   secret_key   => hiera('horizon_secret_key'),
   keystone_url => join(['http://', hiera('controller_host'), ':5000/v2.0']),
+  allowed_hosts => [hiera('controller_host'), $::fqdn, 'localhost'],
+  server_aliases => [hiera('controller_host'), $::fqdn, 'localhost'],
 }
diff --git a/elements/puppet-stack-config/puppet-stack-config.yaml.template b/elements/puppet-stack-config/puppet-stack-config.yaml.template
index 977d0dd34..b67c234c7 100644
--- a/elements/puppet-stack-config/puppet-stack-config.yaml.template
+++ b/elements/puppet-stack-config/puppet-stack-config.yaml.template
@@ -174,6 +174,7 @@ rabbit_username: {{UNDERCLOUD_RABBIT_USERNAME}}
 
 # Horizon
 horizon_secret_key: {{UNDERCLOUD_HORIZON_SECRET_KEY}}
+horizon::wsgi::apache::priority: 10
 
 # service tenant
 ceilometer::api::keystone_tenant: 'service'