diff --git a/Disp/MachiningProjectDisplayee.cs b/Disp/MachiningProjectDisplayee.cs
index 58a8d89..2f49e98 100644
--- a/Disp/MachiningProjectDisplayee.cs
+++ b/Disp/MachiningProjectDisplayee.cs
@@ -210,7 +210,7 @@ public class MachiningProjectDisplayee : IDisplayee, IGetAnchor
 				offsetHOnCover += ColorScaleBar.OffsetH;
 			}
 		}
-		if (LocalProjectService?.WorkpieceService?.HasDiff == true)
+		if (LocalProjectService?.WorkpieceService?.HasDiffOverlay == true)
 		{
 			bind.ModelMatStack.Push();
 			bind.ModelMatStack.Trans(0, offsetHOnCover, 0);