diff --git a/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs b/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs
index a2250c8b..ac738cb4 100644
--- a/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs
+++ b/COMET.Web.Common/ViewModels/Components/Applications/ApplicationBaseViewModel.cs
@@ -53,7 +53,7 @@ public abstract class ApplicationBaseViewModel : HaveObjectChangedTracking, IApp
         protected ApplicationBaseViewModel(ISessionService sessionService)
         {
             this.Disposables.Add(CDPMessageBus.Current.Listen<SessionEvent>()
-                .Where(x => x.Session == this.SessionService?.Session && x.Status == SessionStatus.EndUpdate)
+                .Where(x => x.Session == sessionService?.Session && x.Status == SessionStatus.EndUpdate)
                 .SubscribeAsync(_ => this.OnSessionRefreshed()));
 
             this.SessionService = sessionService;