diff --git a/templates/etc/rancher/k3s/config.yaml.j2 b/templates/etc/rancher/k3s/config.yaml.j2
index 0564ecf..8d7c528 100644
--- a/templates/etc/rancher/k3s/config.yaml.j2
+++ b/templates/etc/rancher/k3s/config.yaml.j2
@@ -28,6 +28,7 @@ service-node-port-range: "{{ k3s_server_service_node_port_range }}"
 secrets-encryption: True
 write-kubeconfig: "{{ __k3s_config_dir }}/k3s.yaml"
 write-kubeconfig-mode: "0600"
+tls-san-security: True
 {% if k3s_server_components_disabled | length > 0 %}
 disable:
   {{ k3s_server_components_disabled | to_nice_yaml(indent=2) | indent(2, False) }}