diff --git a/manifests/horizon.pp b/manifests/horizon.pp
index a3f6dd3..a702824 100644
--- a/manifests/horizon.pp
+++ b/manifests/horizon.pp
@@ -44,7 +44,7 @@
 #
 # [*keystone_default_role*]
 #   (Optional) Default role for keystone authentication.
-#   Defaults to 'Member'.
+#   Defaults to '_member_'.
 #
 # [*django_debug*]
 #    (Optional) Sets Django debug level.
@@ -70,7 +70,7 @@ class openstack::horizon (
   $horizon_app_links     = undef,
   $keystone_host         = '127.0.0.1',
   $keystone_scheme       = 'http',
-  $keystone_default_role = 'Member',
+  $keystone_default_role = '_member_',
   $django_debug          = 'False',
   $api_result_limit      = 1000
 ) {
diff --git a/spec/classes/openstack_horizon_spec.rb b/spec/classes/openstack_horizon_spec.rb
index d9e2723..4e53458 100644
--- a/spec/classes/openstack_horizon_spec.rb
+++ b/spec/classes/openstack_horizon_spec.rb
@@ -33,7 +33,7 @@ describe 'openstack::horizon' do
       :horizon_app_links     => false,
       :keystone_host         => '127.0.0.1',
       :keystone_scheme       => 'http',
-      :keystone_default_role => 'Member',
+      :keystone_default_role => '_member_',
       :django_debug          => 'False',
       :api_result_limit      => 1000
     )
@@ -54,7 +54,7 @@ describe 'openstack::horizon' do
         :horizon_app_links     => false,
         :keystone_host         => '127.0.0.1',
         :keystone_scheme       => 'http',
-        :keystone_default_role => 'Member',
+        :keystone_default_role => '_member_',
         :django_debug          => 'False',
         :api_result_limit      => 1000
       )