diff --git a/inventory/group_vars/all.yml b/inventory/group_vars/all.yml
index 7cf5c5f..d80065e 100644
--- a/inventory/group_vars/all.yml
+++ b/inventory/group_vars/all.yml
@@ -2,3 +2,4 @@ k3s_version: v0.8.1
 ansible_user: debian
 systemd_dir: /etc/systemd/system
 master_ip: "{{ hostvars[groups['master'][0]]['ansible_host'] | default(groups['master'][0]) }}"
+extra_server_args: ""
diff --git a/roles/k3s/master/templates/k3s.service.j2 b/roles/k3s/master/templates/k3s.service.j2
index d8b9c18..89fd61c 100644
--- a/roles/k3s/master/templates/k3s.service.j2
+++ b/roles/k3s/master/templates/k3s.service.j2
@@ -5,7 +5,7 @@ After=network-online.target
 [Service]
 ExecStartPre=-/sbin/modprobe br_netfilter
 ExecStartPre=-/sbin/modprobe overlay
-ExecStart=/usr/local/bin/k3s server
+ExecStart=/usr/local/bin/k3s server {{ extra_server_args | default("") }}
 KillMode=process
 Delegate=yes
 LimitNOFILE=infinity