diff --git a/src/Avalonia.Controls/Flyouts/FlyoutBase.cs b/src/Avalonia.Controls/Flyouts/FlyoutBase.cs
index b874d149bf..d78ddd4169 100644
--- a/src/Avalonia.Controls/Flyouts/FlyoutBase.cs
+++ b/src/Avalonia.Controls/Flyouts/FlyoutBase.cs
@@ -22,7 +22,7 @@ namespace Avalonia.Controls.Primitives
///
/// Defines the property
///
- private static readonly DirectProperty IsOpenProperty =
+ public static readonly DirectProperty IsOpenProperty =
AvaloniaProperty.RegisterDirect(nameof(IsOpen),
x => x.IsOpen);