diff --git a/src/etc/inc/plugins.inc.d/openvpn/wizard.inc b/src/etc/inc/plugins.inc.d/openvpn/wizard.inc
index 953390b17..781c8c9fa 100644
--- a/src/etc/inc/plugins.inc.d/openvpn/wizard.inc
+++ b/src/etc/inc/plugins.inc.d/openvpn/wizard.inc
@@ -620,7 +620,8 @@ function step12_submitphpaction()
             $pconfig['step9']['lifetime'],
             $dn,
             'sha256',
-            'server_cert'
+            'server_cert',
+            []
         );
 
         $a_cert = &config_read_array('cert');