diff --git a/manifests/service.pp b/manifests/service.pp
index 6cf9cf0..03d3456 100644
--- a/manifests/service.pp
+++ b/manifests/service.pp
@@ -1,48 +1,48 @@
 # == Class grafana::service
 #
 # This class is meant to be called from grafana
 # It ensure the service is running
 #
 class grafana::service {
   case $grafana::install_method {
     'docker': {
       $container = {
         'grafana' => $grafana::container_params,
       }
 
       $defaults = {
-        image => "${grafana::params::docker_image}:${grafana::version}",
-        ports => $grafana::params::docker_ports,
+        image => "${grafana::docker_image}:${grafana::version}",
+        ports => $grafana::docker_ports,
       }
 
       create_resources(docker::run, $container, $defaults)
     }
     'package','repo': {
       service { 'grafana':
         ensure    => running,
         name      => $grafana::service_name,
         enable    => true,
         subscribe => Package['grafana'],
       }
     }
     'archive': {
       $service_path   = "${grafana::install_dir}/bin/${grafana::service_name}"
       $service_config = "${grafana::install_dir}/conf/custom.ini"
 
       if !defined(Service['grafana']){
         service { 'grafana':
           ensure     => running,
           name       => $grafana::service_name,
           provider   => base,
           binary     => "su - grafana -c '${service_path} -config=${service_config} -homepath=${grafana::install_dir} web &'",
           hasrestart => false,
           hasstatus  => false,
           status     => "ps -ef | grep ${grafana::service_name} | grep -v grep",
         }
       }
     }
     default: {
       fail("Installation method ${grafana::install_method} not supported")
     }
   }
 }