diff --git a/manifests/haproxy.pp b/manifests/haproxy.pp
index 889a24674..164390a43 100644
--- a/manifests/haproxy.pp
+++ b/manifests/haproxy.pp
@@ -490,7 +490,6 @@
 #    'ironic_inspector_port' (Defaults to 5050)
 #    'ironic_inspector_ssl_port' (Defaults to 13050)
 #    'keystone_admin_api_port' (Defaults to 35357)
-#    'keystone_admin_api_ssl_port' (Defaults to 13357)
 #    'keystone_public_api_port' (Defaults to 5000)
 #    'keystone_public_api_ssl_port' (Defaults to 13000)
 #    'manila_api_port' (Defaults to 8786)
@@ -668,7 +667,6 @@ class tripleo::haproxy (
     ironic_inspector_port => 5050,
     ironic_inspector_ssl_port => 13050,
     keystone_admin_api_port => 35357,
-    keystone_admin_api_ssl_port => 13357,
     keystone_public_api_port => 5000,
     keystone_public_api_ssl_port => 13000,
     manila_api_port => 8786,
@@ -846,20 +844,18 @@ class tripleo::haproxy (
 
   if $keystone_admin {
     ::tripleo::haproxy::endpoint { 'keystone_admin':
-      public_virtual_ip => $public_virtual_ip,
-      internal_ip       => hiera('keystone_admin_api_vip', $controller_virtual_ip),
-      service_port      => $ports[keystone_admin_api_port],
-      ip_addresses      => hiera('keystone_admin_api_node_ips', $controller_hosts_real),
-      server_names      => hiera('keystone_admin_api_node_names', $controller_hosts_names_real),
-      mode              => 'http',
-      listen_options    => {
+      internal_ip     => hiera('keystone_admin_api_vip', $controller_virtual_ip),
+      service_port    => $ports[keystone_admin_api_port],
+      ip_addresses    => hiera('keystone_admin_api_node_ips', $controller_hosts_real),
+      server_names    => hiera('keystone_admin_api_node_names', $controller_hosts_names_real),
+      mode            => 'http',
+      listen_options  => {
           'http-request' => [
             'set-header X-Forwarded-Proto https if { ssl_fc }',
             'set-header X-Forwarded-Proto http if !{ ssl_fc }'],
       },
-      public_ssl_port   => $ports[keystone_admin_api_ssl_port],
-      service_network   => $keystone_admin_network,
-      member_options    => union($haproxy_member_options, $internal_tls_member_options),
+      service_network => $keystone_admin_network,
+      member_options  => union($haproxy_member_options, $internal_tls_member_options),
     }
   }
 
diff --git a/manifests/haproxy/endpoint.pp b/manifests/haproxy/endpoint.pp
index 16e0bd11e..9b1a4c9cd 100644
--- a/manifests/haproxy/endpoint.pp
+++ b/manifests/haproxy/endpoint.pp
@@ -122,15 +122,28 @@ define tripleo::haproxy::endpoint (
     if !$service_network {
       fail("The service_network for this service is undefined. Can't configure TLS for the internal network.")
     }
-    # NOTE(jaosorior): The key of the internal_certificates_specs hash must
-    # must match the convention haproxy-<network name> or else this
-    # will fail. Futherly, it must contain the path that we'll use under
-    # 'service_pem'.
-    $internal_cert_path = $internal_certificates_specs["haproxy-${service_network}"]['service_pem']
+
+    if $service_network == 'external' and $public_certificate {
+      # NOTE(jaosorior): This service has been configured to use the external
+      # network. We should use the public certificate in this case.
+      $internal_cert_path = $public_certificate
+    } else {
+      # NOTE(jaosorior): This service is configured for the internal network.
+      # We use the certificate spec hash. The key of the
+      # internal_certificates_specs hash must must match the convention
+      # haproxy-<network name> or else this will fail. Futherly, it must
+      # contain the path that we'll use under 'service_pem'.
+      $internal_cert_path = $internal_certificates_specs["haproxy-${service_network}"]['service_pem']
+    }
     $internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"),
                                         union($haproxy_listen_bind_param, ['ssl', 'crt', $internal_cert_path]))
   } else {
-    $internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"), $haproxy_listen_bind_param)
+    if $service_network == 'external' and $public_certificate {
+      $internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"),
+                                          union($haproxy_listen_bind_param, ['ssl', 'crt', $public_certificate]))
+    } else {
+      $internal_bind_opts = list_to_hash(suffix(any2array($internal_ip), ":${service_port}"), $haproxy_listen_bind_param)
+    }
   }
   $bind_opts = merge($internal_bind_opts, $public_bind_opts)