diff --git a/src/Avalonia.Diagnostics/DevTools.xaml.cs b/src/Avalonia.Diagnostics/DevTools.xaml.cs
index f247248f29..af7997b0f8 100644
--- a/src/Avalonia.Diagnostics/DevTools.xaml.cs
+++ b/src/Avalonia.Diagnostics/DevTools.xaml.cs
@@ -19,9 +19,9 @@ namespace Avalonia
 	{
         [Conditional("DEBUG")]
         public static void AttachDevTools(this TopLevel control)
-		{
-			Avalonia.Diagnostics.DevTools.Attach(control);
-		}
+        {
+            Avalonia.Diagnostics.DevTools.Attach(control);
+        }
     }
 }