diff --git a/src/Avalonia.Controls/Primitives/AdornerLayer.cs b/src/Avalonia.Controls/Primitives/AdornerLayer.cs
index 8a724926e8..d198570909 100644
--- a/src/Avalonia.Controls/Primitives/AdornerLayer.cs
+++ b/src/Avalonia.Controls/Primitives/AdornerLayer.cs
@@ -64,7 +64,7 @@ namespace Avalonia.Controls.Primitives
                 }
                 else
                 {
-                    child.Arrange(new Rect(child.DesiredSize));
+                    child.Arrange(new Rect(finalSize));
                 }
             }