diff --git a/Bat_EV_SDL _V2/module.php b/Bat_EV_SDL _V2/module.php
index f84030c..2594e0f 100644
--- a/Bat_EV_SDL _V2/module.php	
+++ b/Bat_EV_SDL _V2/module.php	
@@ -306,6 +306,9 @@ class Bat_EV_SDL_V2 extends IPSModule
             $this->SendDebug("Update ERROR", $e->getMessage() . " @ " . $e->getFile() . ":" . $e->getLine(), 0);
             $this->WriteAllZero("Exception: " . $e->getMessage());
         }
+        finally {
+            IPS_SemaphoreLeave($semKey); // ✅ Tür immer wieder aufschließen
+    }
     }
 
     private function BuildBatteryCache(bool $force): void