diff --git a/msg.go b/msg.go
index bdc3f5a..8005fc1 100644
--- a/msg.go
+++ b/msg.go
@@ -430,7 +430,7 @@ func parseSubTypeMessageDuelFight(m *ChatWarsMessage, r *regexp.Regexp) (*ChatWa
 func parseSubTypeMessageQuestResultAmbush(m *ChatWarsMessage, r *regexp.Regexp) (*ChatWarsMessageQuestResultAmbush, error) {
 	cwm := ChatWarsMessageQuestResultAmbush{}
 
-	re := regexp.MustCompile(`(([0-9] x ){0,1}[a-zA-Z ]* lvl\.[0-9]*)`)
+	re := regexp.MustCompile(`([0-9] x ){0,1}[a-zA-Z ]* lvl\.[0-9]*`)
 	for _, l := range re.FindAllStringSubmatch(r.ReplaceAllString(m.Text, "${Monsters}"), -1) {
 		log.Printf("parseSubTypeMessageQuestResultAmbush : %s\n", l[1])
 	}