diff --git a/td.go b/td.go
index 1c45552..3f591a8 100644
--- a/td.go
+++ b/td.go
@@ -71,11 +71,12 @@ func getHistory(c *tdlib.Client, chatID64 *int64, senderUserID64 *int64) {
 	var lastMsgID64 int64 = int64(math.MaxInt64)
 	var msgCount int32 = 0
 	var lastMsgTime time.Time = time.Now()
+	var chat int64
 
 	if *chatID64 == 0 {
-		chat := user_chtwrsbot
+		chat = user_chtwrsbot
 	} else {
-		chat = chatID64
+		chat = *chatID64
 	}
 
 	for lastMsgID64 >= 0 {