diff --git a/Material.Styles/Converters/BrushRoundConverter.cs b/Material.Styles/Converters/BrushRoundConverter.cs
index 1b9c6117..509e47e5 100644
--- a/Material.Styles/Converters/BrushRoundConverter.cs
+++ b/Material.Styles/Converters/BrushRoundConverter.cs
@@ -16,7 +16,7 @@ public class BrushRoundConverter : IValueConverter
 
         public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
         {
-            if (value is not SolidColorBrush solidColorBrush)
+            if (value is not ISolidColorBrush solidColorBrush)
                 return BindingOperations.DoNothing;
 
             var color = solidColorBrush.Color;