diff --git a/etc/inc/upgrade_config.inc b/etc/inc/upgrade_config.inc
index 357ccd6dc2..0382eb658e 100644
--- a/etc/inc/upgrade_config.inc
+++ b/etc/inc/upgrade_config.inc
@@ -3651,6 +3651,7 @@ function upgrade_118_to_119() {
 }
 
 function upgrade_119_to_120() {
+	require_once("ipsec.inc");
 	global $config, $ipsec_loglevels;
 
 	if (!is_array($config['ipsec'])) {