diff --git a/src/Avalonia.Controls/TopLevel.cs b/src/Avalonia.Controls/TopLevel.cs
index bd41eb5f28..8335e03487 100644
--- a/src/Avalonia.Controls/TopLevel.cs
+++ b/src/Avalonia.Controls/TopLevel.cs
@@ -118,7 +118,7 @@ namespace Avalonia.Controls
 
             PlatformImpl = impl;
 
-            _actualTransparencyLevel = WindowTransparencyLevel.None;
+            _actualTransparencyLevel = PlatformImpl.TransparencyLevel;            
 
             dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
             var styler = TryGetService<IStyler>(dependencyResolver);