diff --git a/manifests/init.pp b/manifests/init.pp
index b64fff0..8b3e81f 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -26,6 +26,7 @@ class grafana (
     driver   => 'bridge',
     internal => true,
     ip_range => '10.1.1.1/8',
+    subnet   => '10.1.1.1/8',
   }
   if (!$container_mount_data_folder) {
     podman::volume{$container_volume_name:}