diff --git a/roles/network/templates/network/netplan.j2 b/roles/network/templates/network/netplan.j2
index ece05aa49..8cac0d475 100644
--- a/roles/network/templates/network/netplan.j2
+++ b/roles/network/templates/network/netplan.j2
@@ -12,10 +12,8 @@ network:
       - {{ wan_ip }}/{{ wan_cidr }}
       gateway4: {{ wan_gateway }}
       nameservers:
-        addresses:
-        - {{ wan_nameserver }}
-      search:
-      - {{ iiab_domain }}
+        addresses: [{{ wan_nameserver }}]
+        search: [{{ iiab_domain }}]
 {% else %}
       dhcp4: yes
 {% endif %}