diff --git a/sbin/dhclient/tables.c b/sbin/dhclient/tables.c
index c7bac57e477..1dcace9bdb0 100644
--- a/sbin/dhclient/tables.c
+++ b/sbin/dhclient/tables.c
@@ -400,6 +400,7 @@ unsigned char dhcp_option_default_priority_list[] = {
 	DHO_IRC_SERVER,
 	DHO_STREETTALK_SERVER,
 	DHO_STREETTALK_DA_SERVER,
+	DHO_DHCP_USER_CLASS_ID,
 	DHO_DOMAIN_SEARCH,
 
 	/* Presently-undefined options... */