diff --git a/Batterie/module.php b/Batterie/module.php
index 9278c46..c83f7f1 100644
--- a/Batterie/module.php
+++ b/Batterie/module.php
@@ -140,11 +140,17 @@ public function RequestAction($Ident, $Value)
         $array_powersteps = $this->GeneratePowerSteps();
         $aufdasnachladen = $this->ReadPropertyInteger("AufdasNachladen");
         $minimumentladen = $this->ReadPropertyInteger("MinimumEntladen");
-        $batterieladezustand = GetValue($this->ReadPropertyInteger("Batterieladezustand"));
-        
         $maxleistung = $this->ReadPropertyInteger("MaxBatterieleistung");
 
-    
+        $batterieladezustandID = $this->ReadPropertyInteger("Batterieladezustand");
+        if ($batterieladezustandID > 0) {
+            $batterieladezustand = GetValue($batterieladezustandID);
+        } else {
+            IPS_LogMessage("Batterie", "Fehler: Ungültige Batterieladezustand-ID.");
+            return;
+        }
+
+
         if ($Peak) {
             if ($batterieladezustand <= $minimumentladen) {
                 $filtered_powersteps = array_filter($array_powersteps, function ($value) use ($maxleistung) {
diff --git a/library.json b/library.json
index 914ff9c..f8ea3f2 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "compatibility": {
         "version": "7.1"
     },
-    "version": "1.054",
+    "version": "1.055",
     "build": 0,
     "date": 0
 }
\ No newline at end of file