diff --git a/src/Avalonia.DataGrid.Themes.Default/DefaultTheme.xaml.cs b/src/Avalonia.DataGrid.Themes.Default/DefaultTheme.xaml.cs
index e57e6d5ce0..e9b8b039d6 100644
--- a/src/Avalonia.DataGrid.Themes.Default/DefaultTheme.xaml.cs
+++ b/src/Avalonia.DataGrid.Themes.Default/DefaultTheme.xaml.cs
@@ -3,7 +3,7 @@ using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 using Avalonia.Styling;
 
-namespace Avalonia.DataGrid.Themes.Default
+namespace Avalonia.Themes.DataGrid.Default
 {
     public class DefaultTheme : Styles
     {