diff --git a/applications/luci-app-frpc/htdocs/luci-static/resources/view/frpc.js b/applications/luci-app-frpc/htdocs/luci-static/resources/view/frpc.js
index a103563b6a..11385b469d 100644
--- a/applications/luci-app-frpc/htdocs/luci-static/resources/view/frpc.js
+++ b/applications/luci-app-frpc/htdocs/luci-static/resources/view/frpc.js
@@ -51,7 +51,7 @@ var bindInfoConf = [
 
 var domainConf = [
 	[form.Value, 'custom_domains', _('Custom domains')],
-	[form.Value, 'sub_domain', _('Subdomain')],
+	[form.Value, 'subdomain', _('Subdomain')],
 ];
 
 var httpProxyConf = [