diff --git a/templates/etc/dhcp/dhcpd.conf.j2 b/templates/etc/dhcp/dhcpd.conf.j2
index 58a904b3d692e224458211d9894a76bced0a1861..76f38b2a2c77ee6bd0c047d7356e97671f7628c3 100644
--- a/templates/etc/dhcp/dhcpd.conf.j2
+++ b/templates/etc/dhcp/dhcpd.conf.j2
@@ -12,7 +12,10 @@ subnet {{ dhcp.subnet }} netmask {{ dhcp.netmask }} {
     range {{ dhcp.range.start }} {{ dhcp.range.end }};
     option routers {{ dhcp.router }};
     option domain-name-servers {{ dhcp.name_servers }};
-{% if dhcp.search %}
+{% if dhcp.mtu is defined %}
+    option interface-mtu {{ dhcp.mtu }};
+{% endif %}
+{% if dhcp.search is defined %}
     option domain-name "{{ dhcp.search }}";
 {% endif %}
 }