diff --git a/manifests/controller.pp b/manifests/controller.pp
index 112df2a..9eabc8a 100644
--- a/manifests/controller.pp
+++ b/manifests/controller.pp
@@ -127,6 +127,7 @@ class openstack::controller (
   $swift                   = false,
   # VNC
   $vnc_enabled             = true,
+  $vncproxy_host           = false,
   # General
   $verbose                 = 'False',
   # cinder
@@ -151,6 +152,11 @@ class openstack::controller (
   } else {
     $admin_address_real = $internal_address_real
   }
+  if $vncproxy_host {
+    $vncproxy_host_real = $vncproxy_host
+  } else {
+    $vncproxy_host_real = $public_address
+  }
 
   # Ensure things are run in order
   Class['openstack::db::mysql'] -> Class['openstack::keystone']
@@ -276,6 +282,7 @@ class openstack::controller (
     glance_api_servers      => $glance_api_servers,
     # VNC
     vnc_enabled            => $vnc_enabled,
+    vncproxy_host          => $vncproxy_host_real,
     # General
     verbose                 => $verbose,
     enabled                 => $enabled,
diff --git a/manifests/nova/controller.pp b/manifests/nova/controller.pp
index 19bbd2c..13efe82 100644
--- a/manifests/nova/controller.pp
+++ b/manifests/nova/controller.pp
@@ -60,6 +60,7 @@ class openstack::nova::controller (
   $glance_api_servers        = undef,
   # VNC
   $vnc_enabled               = true,
+  $vncproxy_host             = undef,
   # General
   $keystone_host             = '127.0.0.1',
   $verbose                   = 'False',
@@ -78,7 +79,12 @@ class openstack::nova::controller (
   } else {
     $real_glance_api_servers = $glance_api_servers
   }
-
+  if $vncproxy_host {
+    $vncproxy_host_real = $vncproxy_host
+  } else {
+    $vncproxy_host_real = $public_address
+  }
+  
   $sql_connection    = $nova_db
   $glance_connection = $real_glance_api_servers
   $rabbit_connection = $internal_address
@@ -204,7 +210,7 @@ class openstack::nova::controller (
 
   if $vnc_enabled {
     class { 'nova::vncproxy':
-      host    => $public_address,
+      host    => $vncproxy_host_real,
       enabled => $enabled,
     }
   }
diff --git a/spec/classes/openstack_controller_spec.rb b/spec/classes/openstack_controller_spec.rb
index 693de3e..4a1d287 100644
--- a/spec/classes/openstack_controller_spec.rb
+++ b/spec/classes/openstack_controller_spec.rb
@@ -21,6 +21,7 @@ describe 'openstack::controller' do
       :nova_user_password    => 'nova_pass',
       :secret_key            => 'secret_key',
       :quantum               => false,
+      :vncproxy_host         => '10.0.0.1'
     }
   end
 
@@ -357,7 +358,10 @@ describe 'openstack::controller' do
         should contain_class('nova::consoleauth').with(:enabled => true)
         should contain_class('nova::scheduler').with(:enabled => true)
         should contain_class('nova::objectstore').with(:enabled => true)
-        should contain_class('nova::vncproxy').with(:enabled => true)
+        should contain_class('nova::vncproxy').with(
+          :enabled         => true,
+          :host            => '10.0.0.1'
+        )
       end
       it { should_not contain_nova_config('DEFAULT/auto_assign_floating_ip') }
     end