diff --git a/app/admin/vlans/vlans-scan.php b/app/admin/vlans/vlans-scan.php
index cafbc8f656ca8e722e982ff8b8627604e340fbc3..a33a4c3dae525e8e5e88aaebd4365c0cef6fc9a6 100644
--- a/app/admin/vlans/vlans-scan.php
+++ b/app/admin/vlans/vlans-scan.php
@@ -21,7 +21,7 @@ $User->check_maintaneance_mode ();
 # perm check popup
 $User->check_module_permissions ("vlan", User::ACCESS_RWA, true, true);
 # validate csrf cookie
-$csrf = $User->Crypto->csrf_cookie ("create", "scan");
+$csrf = $User->Crypto->csrf_cookie ("create-if-not-exists", "scan");
 
 # scan disabled
 if ($User->settings->enableSNMP!="1")           { $Result->show("danger", _("SNMP module disbled"), true, true); }