diff --git a/manifests/init.pp b/manifests/init.pp
index cbd97a6..c9b76d1 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -29,7 +29,7 @@ class grafana (
               publish => [
                           "${container_port}:3000",
               ],
-              #sysctl => 'net.ipv6.conf.all.disable_ipv6=1',
+              sysctl => 'net.ipv6.conf.all.disable_ipv6=1',
               volume  => [
                 "${container_volume_name}:/var/lib/grafana",
               ],
@@ -61,7 +61,7 @@ class grafana (
               publish => [
                           "${container_port}:3000",
               ],
-              #sysctl => 'net.ipv6.conf.all.disable_ipv6=1',
+              sysctl => 'net.ipv6.conf.all.disable_ipv6=1',
               volume => [
                 "${container_data_folder}:/var/lib/grafana",
                 "${container_config_folder}:/etc/grafana",