diff --git a/msg.go b/msg.go
index e91e924..02caa89 100644
--- a/msg.go
+++ b/msg.go
@@ -172,7 +172,12 @@ func parseSubTypeMessageGoQuestAck(m *ChatWarsMessage, r *regexp.Regexp) (*ChatW
 		log.Printf("parseSubTypeMessageGoQuestAck : Time : %s\n", r.ReplaceAllString(m.Text, "${Time}"))
 	*/
 	cwm.Quest = strings.ToLower(r.ReplaceAllString(m.Text, "${Place}"))
-	cwm.Duration, _ = strconv.ParseInt(r.ReplaceAllString(m.Text, "${Time}"), 10, 64)
+	i, err := strconv.ParseInt(r.ReplaceAllString(m.Text, "${Time}"), 10, 64)
+	if err != nil {
+		cwm.Duration = i * time.Minute
+	} else {
+		cwm.Duration = 0 * time.Minute
+	}
 	return &cwm, nil
 }