diff --git a/src/libraries/Microsoft.Win32.SystemEvents/tests/SystemEvents.InvokeOnEventsThread.cs b/src/libraries/Microsoft.Win32.SystemEvents/tests/SystemEvents.InvokeOnEventsThread.cs
index d3c058bf91182e..a0a571e7b7624b 100644
--- a/src/libraries/Microsoft.Win32.SystemEvents/tests/SystemEvents.InvokeOnEventsThread.cs
+++ b/src/libraries/Microsoft.Win32.SystemEvents/tests/SystemEvents.InvokeOnEventsThread.cs
@@ -54,6 +54,7 @@ public void InvokeOnEventsThreadRunsOnSameThreadAsOtherEvents()
 
         [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsNanoNorServerCore))]
         [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework)]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/34360", TestPlatforms.Windows, TargetFrameworkMonikers.Netcoreapp, TestRuntimes.Mono)]
         public void RegisterFromSTAThreadThatGoesAway_MessageStillDelivered()
         {
             RemoteExecutor.Invoke(() => // to ensure no one has registered for any events before