diff --git a/Ladestation_v2/module.php b/Ladestation_v2/module.php
index 733be98..12d64f0 100644
--- a/Ladestation_v2/module.php
+++ b/Ladestation_v2/module.php
@@ -333,7 +333,7 @@ class Ladestation_v2 extends IPSModule
                 // Benutzer eCarUp abfragen
 
                 $authToken = GetValue($this->ReadPropertyInteger("Token_ECarUp"));
-                $ID = $this->ReadPropertyInteger("ID");
+                $ID = $this->ReadPropertyString("ID");
                 $apiUrl = 'https://public-api.ecarup.com/v1/station/' . $ID . '/conn'.'ectors/'. $ID . '/active-charging';
                 $ch = curl_init();
                 curl_setopt($ch, CURLOPT_URL, $apiUrl);