diff --git a/src/Avalonia.Base/Utilities/WeakEvent.cs b/src/Avalonia.Base/Utilities/WeakEvent.cs
index 1335d7e9b8..e72606bf70 100644
--- a/src/Avalonia.Base/Utilities/WeakEvent.cs
+++ b/src/Avalonia.Base/Utilities/WeakEvent.cs
@@ -159,7 +159,7 @@ public class WeakEvent<TSender, TEventArgs> : WeakEvent where TEventArgs : Event
                 Destroy();
             else
             {
-                foreach(var item in alive)
+                foreach(var item in alive.Span)
                     item.OnEvent(_target, _ev, eventArgs);
                 WeakHashList<IWeakEventSubscriber<TEventArgs>>.ReturnToSharedPool(alive);
                 if(_list.NeedCompact && !_compactScheduled)