diff --git a/native/Avalonia.Native/src/OSX/AvnWindow.mm b/native/Avalonia.Native/src/OSX/AvnWindow.mm
index 6611dcc73f..42c500716c 100644
--- a/native/Avalonia.Native/src/OSX/AvnWindow.mm
+++ b/native/Avalonia.Native/src/OSX/AvnWindow.mm
@@ -281,6 +281,9 @@
 
 - (void)windowDidBecomeKey:(NSNotification *_Nonnull)notification
 {
+    if (_parent == nullptr)
+        return;
+        
     _parent->BringToFront();
     
     dispatch_async(dispatch_get_main_queue(), ^{