diff --git a/templates/k3s.service.j2 b/templates/k3s.service.j2
index 4f7caa1..9ce5f8b 100644
--- a/templates/k3s.service.j2
+++ b/templates/k3s.service.j2
@@ -142,8 +142,14 @@ ExecStart={{ k3s_install_dir }}/k3s
 {% if k3s_resolv_conf is defined and k3s_resolv_conf %}
     --resolv-conf {{ k3s_resolv_conf }}
 {% endif %}
-{% if k3s_tls_san is defined and k3s_tls_san %}
-    --tls-san {{ k3s_tls_san }}
+{% if k3s_tls_san is defined and k3s_tls_san is iterable %}
+    {% for san in k3s_tls_san %}
+        --tls-san {{ san }}
+    {% endfor %}
+{% else %}
+    {% if k3s_tls_san is defined and k3s_tls_san %}
+        --tls-san {{ k3s_tls_san }}
+    {% endif %}
 {% endif %}
 {% if k3s_node_data_dir is defined %}
     --data-dir {{ k3s_node_data_dir }}