diff --git a/MatterControlLib/PartPreviewWindow/View3D/SceneActions.cs b/MatterControlLib/PartPreviewWindow/View3D/SceneActions.cs
index b4fc490ee..314726f00 100644
--- a/MatterControlLib/PartPreviewWindow/View3D/SceneActions.cs
+++ b/MatterControlLib/PartPreviewWindow/View3D/SceneActions.cs
@@ -184,6 +184,9 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		{
 			await Task.Run(() =>
 			{
+				// Clear selection to ensure all root level children are arranged on the bed
+				scene.SelectedItem = null;
+
 				PlatingHelper.ArrangeOnBed(scene.Children.ToList(), scene, bedCenter);
 			});
 		}