diff --git a/MachineTool/DemoBuildMachineTool.cs b/MachineTool/DemoBuildMachineTool.cs
index 0f65dd3..18fb746 100644
--- a/MachineTool/DemoBuildMachineTool.cs
+++ b/MachineTool/DemoBuildMachineTool.cs
@@ -25,7 +25,7 @@ namespace Sample.MachineTool
     {
         static DemoBuildMachineTool()
         {
-            XFactory.Regs.Add(XName, (xml, baseDirectory, relFile, progress, res) => new DemoBuildMachineTool());
+            XFactory.Generators.Add(XName, (xml, baseDirectory, relFile, progress, res) => new DemoBuildMachineTool());
         }
         /// <summary>
         /// Generates an XYZ-ABC machine tool instance from embedded resources.