diff --git a/im/tg/tg.go b/im/tg/tg.go
index 9915986..7d8190c 100644
--- a/im/tg/tg.go
+++ b/im/tg/tg.go
@@ -254,5 +254,5 @@ func (sender *Sender) Finish() {
 }
 
 func (sender *Sender) GetUserName() string {
-	return sender.Message.Chat.Username
+	return sender.Message.Sender.Username
 }