diff --git a/samples/ControlCatalog/MainView.xaml.cs b/samples/ControlCatalog/MainView.xaml.cs
index 1726028a3f..a9bf150ff9 100644
--- a/samples/ControlCatalog/MainView.xaml.cs
+++ b/samples/ControlCatalog/MainView.xaml.cs
@@ -60,7 +60,7 @@ namespace ControlCatalog
             {
                 if (flowDirections.SelectedItem is FlowDirection flowDirection)
                 {
-                    this.FlowDirection = flowDirection;
+                    TopLevel.GetTopLevel(this).FlowDirection = flowDirection;
                 }
             };
 
diff --git a/src/Avalonia.Controls/TopLevel.cs b/src/Avalonia.Controls/TopLevel.cs
index c2e997464c..3bd566c622 100644
--- a/src/Avalonia.Controls/TopLevel.cs
+++ b/src/Avalonia.Controls/TopLevel.cs
@@ -615,6 +615,13 @@ namespace Avalonia.Controls
                 KeyboardDevice.Instance?.SetFocusedElement(null, NavigationMethod.Unspecified, KeyModifiers.None);
         }
 
+        protected override bool BypassFlowDirectionPolicies => true;
+
+        public override void InvalidateMirrorTransform()
+        {
+            // Do nothing becuase TopLevel should't apply MirrorTransform on himself.
+        }
+
         ITextInputMethodImpl? ITextInputMethodRoot.InputMethod =>
             (PlatformImpl as ITopLevelImplWithTextInputMethod)?.TextInputMethod;
     }