diff --git a/def.go b/def.go
index 387a997..8217124 100644
--- a/def.go
+++ b/def.go
@@ -16,7 +16,7 @@ type TGCommand struct {
 	Text         string      `json:"text"`
 	Document     tb.Document `json:"document"`
 	ParseMode    int64       `json:"parse_mode"`
-	Delay        int64       `json:"delay"`
+	Delay        time.Delay  `json:"delay"`
 }
 
 type ChatWarsMessage struct {
diff --git a/td.go b/td.go
index 2ea6a8a..2c61769 100644
--- a/td.go
+++ b/td.go
@@ -219,8 +219,8 @@ func OwnUserID(c *tdlib.Client) int32 {
 }
 
 func clientMsg(c *tdlib.Client, m TGCommand) {
-	log.Printf("clientMsg : Delaying message by %d seconds.\n", m.Delay)
-	if m.Delay != 0 {
+	log.Printf("clientMsg : Delaying message by %d seconds.\n", int64(m.Delay))
+	if m.Delay != time.Duration(0) {
 		time.Sleep(time.Duration(m.Delay) * time.Second)
 	}
 	for {