diff --git a/server.go b/server.go
index b639d21..d50e897 100644
--- a/server.go
+++ b/server.go
@@ -522,7 +522,7 @@ func (s *Server) reply(code replyCode, args ...string) {
 	switch code {
 	case rplWelcome:
 		s.writeClient(fmt.Sprintf(":%s 001 %s :Welcome to %s", s.name, s.upstreamLauncher.Self.Nick, s.name))
-		s.writeClient(fmt.Sprintf(":%s 005 %s NAMESX :are supported by this server", s.name, s.upstreamLauncher.Self.Nick))
+		s.writeClient(fmt.Sprintf(":%s 005 %s NAMESX CHANTYPES=# :are supported by this server", s.name, s.upstreamLauncher.Self.Nick))
 
 	case rplJoin:
 		s.writeClient(fmt.Sprintf(":%s JOIN %s", args[0], args[1]))