diff --git a/td.go b/td.go
index cfce282..e1a55a5 100644
--- a/td.go
+++ b/td.go
@@ -135,7 +135,7 @@ func getHistory(c *tdlib.Client) {
 	}
 
 	for lastMsgID64 >= 0 {
-		msgs, err := c.GetChatHistory(user_chtwrsbot, lastMsgID64, 0, 50, false)
+		msgs, err := c.GetChatHistory(user_chtwrsbot, lastMsgID64, 0, 20, false)
 		if err != nil {
 			if err.Error() == "timeout" {
 				logOnError(err, "Waiting...")