diff --git a/exec/load/portdefs.js b/exec/load/portdefs.js
index 2a750b3fe1fee277cb633050e87f31cb94f4b3d1..1ce9cadfd0707f9824dd3377b44a9d17a5e6391f 100644
--- a/exec/load/portdefs.js
+++ b/exec/load/portdefs.js
@@ -46,6 +46,7 @@ var standard_service_port = {
 	"ws":			1123,	// SBBS
 	"hotline":		5500,
 	"irc":			6667,
+	"ircs-u":		6697,	// RFC 7194
 	"http-alt":		8080,
 	"json":			10088,	// SBBS
 	"wss":			11235,	// SBBS