diff --git a/td.go b/td.go
index 122eda2..492a1f0 100644
--- a/td.go
+++ b/td.go
@@ -296,8 +296,7 @@ func clientMsg(c *tdlib.Client, m TGCommand) {
 			MQCWMsgQueue <- r
 		}
 	case commandCallback:
-		d := tdlib.NewCallbackQueryPayloadData(m.CallbackData)
-		p := d.(tdlib.CallbackQueryPayload)
+		p := tdlib.NewCallbackQueryPayloadData(m.CallbackData).(tdlib.CallbackQueryPayload)
 		a, err := c.GetCallbackQueryAnswer(m.FromChatID64, m.FromMsgID64, p)
 		logOnError(err, "clientMsg : GetCallbackQueryAnswer")
 		b, _ := json.Marshal(a)