diff --git a/usr.sbin/services_mkdb/services b/usr.sbin/services_mkdb/services
index 0737c87329c..d86d39e0857 100644
--- a/usr.sbin/services_mkdb/services
+++ b/usr.sbin/services_mkdb/services
@@ -1602,6 +1602,8 @@ pptp		1723/tcp   #Point-to-point tunnelling protocol
 # IMPORTANT NOTE: See comments for ports 1645/1646 when using older equipment
 radius		1812/udp   #RADIUS authentication protocol (IANA sanctioned)
 radacct		1813/udp   #RADIUS accounting protocol (IANA sanctioned)
+ssdp		1900/tcp   #Selective Service Discovery Protocol (UPnP)
+ssdp		1900/udp   #Selective Service Discovery Protocol (UPnP)
 licensedaemon	1986/tcp   #cisco license management
 licensedaemon	1986/udp   #cisco license management
 tr-rsrb-p1	1987/tcp   #cisco RSRB Priority 1 port