diff --git a/manifests/icinga2/icingaweb2.pp b/manifests/icinga2/icingaweb2.pp
index 690db38..0089a67 100644
--- a/manifests/icinga2/icingaweb2.pp
+++ b/manifests/icinga2/icingaweb2.pp
@@ -1,57 +1,57 @@
 # Icinga web 2 configuration
 class profile::icinga2::icingaweb2 {
   $icinga2_db_username = hiera('icinga2::master::db::username')
   $icinga2_db_password = hiera('icinga2::master::db::password')
   $icinga2_db_database = hiera('icinga2::master::db::database')
 
   $icingaweb2_db_username = hiera('icinga2::icingaweb2::db::username')
   $icingaweb2_db_password = hiera('icinga2::icingaweb2::db::password')
   $icingaweb2_db_database = hiera('icinga2::icingaweb2::db::database')
   $icingaweb2_protected_customvars = hiera('icinga2::icingaweb2::protected_customvars')
 
   include profile::icinga2::apt_config
   include profile::icinga2::icingaweb2::vhost
 
   class {'::icingaweb2':
     manage_repo    => false,
     manage_package => true,
     import_schema  => true,
     db_type        => 'pgsql',
     db_host        => 'localhost',
     db_port        => 5432,
     db_username    => $icingaweb2_db_username,
     db_password    => $icingaweb2_db_password,
     require        => Postgresql::Server::Db[$icingaweb2_db_database],
   }
 
   # Icingaweb2 modules
 
   ::postgresql::server::db {$icingaweb2_db_database:
     user     => $icingaweb2_db_username,
     password => postgresql_password($icingaweb2_db_username, $icingaweb2_db_password),
   }
 
   class {'::icingaweb2::module::monitoring':
     ido_type             => 'pgsql',
     ido_host             => 'localhost',
     ido_port             => 5432,
     ido_db_name          => $icinga2_db_database,
     ido_db_username      => $icinga2_db_username,
     ido_db_password      => $icinga2_db_password,
-    protected_custimvars => $icingaweb2_protected_customvars,
+    protected_customvars => join($icingaweb2_protected_customvars, ', '),
     commandtransports    => {
       icinga2 => {
         transport => 'local',
         path      => '/var/run/icinga2/cmd/icinga2.cmd',
       }
     }
   }
 
   include ::icingaweb2::module::doc
 
   # Icingaweb2 permissions
   ::icingaweb2::config::role {'guest':
     users       => 'guest',
     permissions => 'module/monitoring',
   }
 }