1 files changed, 4 insertions, 4 deletions
diff --git a/data/templates/dhcp-client/ipv4.tmpl b/data/templates/dhcp-client/ipv4.tmpl
index b3e74c22b..83fb93dc1 100644
--- a/data/templates/dhcp-client/ipv4.tmpl
+++ b/data/templates/dhcp-client/ipv4.tmpl
@@ -7,7 +7,7 @@ initial-interval 2;
 
 interface "{{ ifname }}" {
     send host-name "{{ dhcp_options.host_name }}";
-{% if dhcp_options.client_id is defined and dhcp_options.client_id is not none %}
+{% if dhcp_options.client_id is vyos_defined %}
 {%   set client_id = dhcp_options.client_id %}
 {#   Use HEX representation of client-id as it is send in MAC-address style using hex characters. If not HEX, use double quotes ASCII format #}
 {%   if not dhcp_options.client_id.split(':') | length >= 5 %}
@@ -15,18 +15,18 @@ interface "{{ ifname }}" {
 {%   endif %}
     send dhcp-client-identifier {{ client_id  }};
 {% endif %}
-{% if dhcp_options.vendor_class_id is defined and dhcp_options.vendor_class_id is not none %}
+{% if dhcp_options.vendor_class_id is vyos_defined %}
     send vendor-class-identifier "{{ dhcp_options.vendor_class_id }}";
 {% endif %}
     # The request statement causes the client to request that any server responding to the
     # client send the client its values for the specified options.
-    request subnet-mask, broadcast-address,{{ " routers," if dhcp_options.no_default_route is not defined }} domain-name-servers,
+    request subnet-mask, broadcast-address,{{ " routers," if dhcp_options.no_default_route is not vyos_defined }} domain-name-servers,
         rfc3442-classless-static-routes, domain-name, interface-mtu;
 
     # The require statement lists options that must be sent in order for an offer to be
     # accepted. Offers that do not contain all the listed options will be ignored!
     require subnet-mask;
-{% if dhcp_options.reject is defined and dhcp_options.reject is not none %}
+{% if dhcp_options.reject is vyos_defined %}
     # Block addresses coming from theses dhcp servers if configured.
     reject {{ dhcp_options.reject | join(', ') }};
 {% endif %}