diff --git a/src/Server/InverterService/StatusRetriever.cs b/src/Server/InverterService/StatusRetriever.cs
index d44f692..1102994 100644
--- a/src/Server/InverterService/StatusRetriever.cs
+++ b/src/Server/InverterService/StatusRetriever.cs
@@ -3,7 +3,13 @@ using InverterMon.Server.Persistence.Settings;
 
 namespace InverterMon.Server.InverterService;
 
-class StatusRetriever(Database db, FelicitySolarInverter inverter, UserSettings userSettings, IConfiguration config, ILogger<StatusRetriever> log)
+class StatusRetriever(
+    Database db,
+    FelicitySolarInverter inverter,
+    UserSettings userSettings,
+    IConfiguration config,
+    ILogger<StatusRetriever> log,
+    IHostApplicationLifetime appLife)
     : BackgroundService
 {
     protected override async Task ExecuteAsync(CancellationToken c)
@@ -16,6 +22,8 @@ class StatusRetriever(Database db, FelicitySolarInverter inverter, UserSettings
             await Task.Delay(5000);
         }
 
+        appLife.ApplicationStopping.Register(inverter.Close);
+
         while (!c.IsCancellationRequested)
         {
             inverter.Status.BatteryCapacity = userSettings.BatteryCapacity;