diff --git a/text/matcher.go b/text/matcher.go
index bc2aee4..d55f7cb 100644
--- a/text/matcher.go
+++ b/text/matcher.go
@@ -19,7 +19,7 @@ func Matcher(update tgbotapi.Update, bot *tgbotapi.BotAPI) {
 	}
 
 	//nhentai
-	const nhentaiRegex string = "([ \\t\\n\\r]|^)\\d{2,}([ \\t\\n\\r]|$)"
+	const nhentaiRegex string = "([ \\t\\n\\r]|^)\\d{4,}([ \\t\\n\\r]|$)"
 	isNhentai, err := regexp.MatchString(nhentaiRegex, update.Message.Text)
 	if err != nil {
 		log.Panicf("Failed to compile regex for nhentai", err)
diff --git a/text/nhentai/nhentai.go b/text/nhentai/nhentai.go
index 08294e6..9c26290 100644
--- a/text/nhentai/nhentai.go
+++ b/text/nhentai/nhentai.go
@@ -12,7 +12,7 @@ import (
 func Nhentai(regex string, update tgbotapi.Update, bot *tgbotapi.BotAPI) {
 
 	re := regexp.MustCompile(regex)
-	getdigit := regexp.MustCompile("\\d{2,}")
+	getdigit := regexp.MustCompile("\\d{4,}")
 	match := re.FindStringSubmatch(update.Message.Text)
 	hentainumber := getdigit.FindStringSubmatch(match[0])