Alias is not properly replaced

stream/srt/srt.go

@@ -82,7 +82,9 @@ func Serve(streams *messaging.Streams, authBackend auth.Backend, cfg *Options) {
 			name, password := split[0], split[1]
 			if authBackend != nil {
 				// check password
-				if ok, name, err := authBackend.Login(name, password); !ok || err != nil {
+				ok, username, err := authBackend.Login(name, password)
+				name = username
+				if ok || err != nil {
 					log.Printf("Failed to authenticate for stream %s", name)
 					s.Close()
 					continue