diff --git a/Ladestation_v2/module.php b/Ladestation_v2/module.php
index 1472590..08bf5a9 100644
--- a/Ladestation_v2/module.php
+++ b/Ladestation_v2/module.php
@@ -53,6 +53,7 @@ class Ladestation_v2 extends IPSModule
         $this->RegisterTimer("Null_Timer",0,"IPS_RequestAction(" .$this->InstanceID .', "ResetNullTimer", "");');
 
         $this->RegisterVariableString("Letzer_User", "Letzter registrierter Benutzer");
+        IPS_SetHidden($this->GetIDForIdent("Letzer_User"), true);