diff --git a/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs b/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs
index ac738cb4..907a6548 100644
--- a/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs
+++ b/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs
@@ -52,11 +52,11 @@ public abstract class ApplicationBaseViewModel : HaveObjectChangedTracking, IApp
         /// <param name="sessionService">The <see cref="ISessionService" /></param>
         protected ApplicationBaseViewModel(ISessionService sessionService)
         {
+            this.SessionService = sessionService;
+
             this.Disposables.Add(CDPMessageBus.Current.Listen<SessionEvent>()
-                .Where(x => x.Session == sessionService?.Session && x.Status == SessionStatus.EndUpdate)
+                .Where(x => x.Session == this.SessionService?.Session && x.Status == SessionStatus.EndUpdate)
                 .SubscribeAsync(_ => this.OnSessionRefreshed()));
-
-            this.SessionService = sessionService;
         }
 
         /// <summary>