diff --git a/applications/luci-app-strongswan-swanctl/htdocs/luci-static/resources/view/strongswan-swanctl/swanctl.js b/applications/luci-app-strongswan-swanctl/htdocs/luci-static/resources/view/strongswan-swanctl/swanctl.js
index 4515b96764..d56cc3a6c3 100644
--- a/applications/luci-app-strongswan-swanctl/htdocs/luci-static/resources/view/strongswan-swanctl/swanctl.js
+++ b/applications/luci-app-strongswan-swanctl/htdocs/luci-static/resources/view/strongswan-swanctl/swanctl.js
@@ -236,7 +236,7 @@ return view.extend({
 		o.placeholder = '3';
 		o.modalonly = true;
 
-		o = s.taboption('advanced', form.Value, 'dpddelay', _('DPD Delay'),
+		o = s.taboption('advanced', form.Value, 'dpd_delay', _('DPD Delay'),
 			_('Interval to check liveness of a peer'));
 		o.validate = validateTimeFormat;
 		o.placeholder = '30s';