diff --git a/Wino.Authentication/OutlookAuthenticator.cs b/Wino.Authentication/OutlookAuthenticator.cs
index 285a7c50..9dfd05b2 100644
--- a/Wino.Authentication/OutlookAuthenticator.cs
+++ b/Wino.Authentication/OutlookAuthenticator.cs
@@ -57,6 +57,7 @@ public class OutlookAuthenticator : BaseAuthenticator, IOutlookAuthenticator
         {
             outlookAppBuilder = PublicClientApplicationBuilder.Create(AuthenticatorConfig.OutlookAuthenticatorClientId)
                 .WithBroker(options)
+                .WithParentActivityOrWindow(_nativeAppService.GetCoreWindowHwnd)
                 .WithDefaultRedirectUri()
                 .WithAuthority(Authority);
         }