diff --git a/Batterie_Deye/module.php b/Batterie_Deye/module.php
index 1686bb2..4a1a7a4 100644
--- a/Batterie_Deye/module.php
+++ b/Batterie_Deye/module.php
@@ -233,9 +233,9 @@ public function RequestAction($Ident, $Value)
         
         //$a = 2.54 * pow($V, 2) - 252 * $V + 6255.4;
 
-        if ($this->GetValue("Ladestrom") > 0 ) {
+        if (GetValue("Ladestrom") > 0 ) {
             $V = GetValue($this->ReadPropertyInteger("Batteriespannung")) + 1;
-        }elseif ($this->GetValue("Entladedestrom") > 0) {
+        }elseif (GetValue("Entladedestrom") > 0) {
             $V = GetValue($this->ReadPropertyInteger("Batteriespannung")) - 1;
         } else {