diff --git a/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/TestBitmap.cs b/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/TestBitmap.cs
index b4fb444..20a4039 100644
--- a/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/TestBitmap.cs
+++ b/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/TestBitmap.cs
@@ -51,7 +51,7 @@ private TestBitmap(RenderTargetBitmap bitmap, UIElement renderedElement, double
 	/// </summary>
 	internal static async Task<TestBitmap> From(RenderTargetBitmap bitmap, UIElement renderedElement, double? implicitScaling = null)
 	{
-		implicitScaling ??= DisplayInformation.GetForCurrentView()?.RawPixelsPerViewPixel ?? 1;
+		implicitScaling ??= renderedElement.XamlRoot?.RasterizationScale ?? 1;
 		var raw = new TestBitmap(bitmap, renderedElement, implicitScaling.Value);
 		await raw.Populate();
 
diff --git a/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/UIHelper.cs b/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/UIHelper.cs
index 0fcc20e..540abc4 100644
--- a/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/UIHelper.cs
+++ b/src/Uno.UI.RuntimeTests.Engine.Library/Library/Helpers/UIHelper.cs
@@ -249,6 +249,7 @@ public static async ValueTask Show(TestBitmap bitmap, CancellationToken ct = def
 		StackPanel legend;
 		var popup = new ContentDialog
 		{
+			XamlRoot = UnitTestsUIContentHelper.CurrentTestWindow?.Content?.XamlRoot,
 			MinWidth = bitmap.Width + 2,
 			MinHeight = bitmap.Height + 30,
 			Content = new Grid