diff --git a/templates/hp.tpl b/templates/hp.tpl
index bfc72b7..87a22e7 100644
--- a/templates/hp.tpl
+++ b/templates/hp.tpl
@@ -53,12 +53,12 @@ vlan {{ id }}
    untagged {{ vlan["ports_untagged"]|join(',') }}
    {%- endif %}
    {%- if switch.subnet.0.vlan_id == id %}
-   ip address {{ switch.ipv4 }} {{ switch.subnet.0.netmask }}
+   ip address {{ switch.ipv4 }}/{{ switch.subnet.0.netmask_cidr }}
    {%- else %}
    no ip address
    {%- endif %}
    {%- if switch.subnet.0.vlan_id == id %}
-   ipv6 address {{ switch.ipv6 }} {{ switch.subnet6.netmask }}
+   ipv6 address {{ switch.ipv6 }}/{{ switch.subnet6.netmask_cidr }}
    {%- else %}
    no ipv6 enable
    {%- endif %}