diff --git a/src/Avalonia.Themes.Simple/Controls/AdornerLayer.xaml b/src/Avalonia.Themes.Simple/Controls/AdornerLayer.xaml
index 165ab44fc8..9c0b33ad49 100644
--- a/src/Avalonia.Themes.Simple/Controls/AdornerLayer.xaml
+++ b/src/Avalonia.Themes.Simple/Controls/AdornerLayer.xaml
@@ -5,7 +5,7 @@
     <Setter Property="DefaultFocusAdorner">
       <FocusAdornerTemplate>
         <Rectangle Margin="1"
-                   Stroke="Black"
+                   Stroke="{DynamicResource ThemeForegroundBrush}"
                    StrokeDashArray="1,2"
                    StrokeThickness="1" />
       </FocusAdornerTemplate>