diff --git a/src/Avalonia.Dialogs/AboutAvaloniaDialog.xaml b/src/Avalonia.Dialogs/AboutAvaloniaDialog.xaml
index 375c34b284..8adf0b8b35 100644
--- a/src/Avalonia.Dialogs/AboutAvaloniaDialog.xaml
+++ b/src/Avalonia.Dialogs/AboutAvaloniaDialog.xaml
@@ -6,7 +6,7 @@
         MinHeight="475"
         Title="About Avalonia"
         Background="Purple"
-        FontFamily="/Assets/Roboto-Light.ttf"
+        FontFamily="/Assets/Roboto-Light.ttf#Roboto"
         x:Class="Avalonia.Dialogs.AboutAvaloniaDialog">
   <Window.Styles>
     <Style>