diff --git a/src/opnsense/scripts/Wireguard/wg-service-control.php b/src/opnsense/scripts/Wireguard/wg-service-control.php
index 5d1d17c69..fd9bd13b6 100755
--- a/src/opnsense/scripts/Wireguard/wg-service-control.php
+++ b/src/opnsense/scripts/Wireguard/wg-service-control.php
@@ -31,6 +31,7 @@ require_once('script/load_phalcon.php');
 require_once('util.inc');
 require_once('config.inc');
 require_once('interfaces.inc');
+require_once('system.inc');
 
 /**
  * collect carp status per vhid