diff --git a/telegram.go b/telegram.go
index 2294819..e538cc4 100644
--- a/telegram.go
+++ b/telegram.go
@@ -89,7 +89,7 @@ func (t Telegram) SendTextMessage(data ClientTextMessageData) {
 	}
 	if data.ReplyMarkup != nil {
 		replyjson, err := json.Marshal(data.ReplyMarkup)
-		if !checkerr("SendTextMessage/json.Marshal", err) {
+		if checkerr("SendTextMessage/json.Marshal", err) {
 			return
 		}
 		postdata["reply_markup"] = []string{string(replyjson)}