diff --git a/manifests/horizon.pp b/manifests/horizon.pp
index 39eba7c..a3f6dd3 100644
--- a/manifests/horizon.pp
+++ b/manifests/horizon.pp
@@ -101,7 +101,7 @@ class openstack::horizon (
     api_result_limit      => $api_result_limit,
   }
 
-  if $::selinux and $::selinux != 'false' {
+  if str2bool($::selinux) {
     selboolean{'httpd_can_network_connect':
       value      => on,
       persistent => true,