diff --git a/MC6809/MC6809.Test/Program.cs b/MC6809/MC6809.Test/Program.cs
index fcad903..2b4312c 100644
--- a/MC6809/MC6809.Test/Program.cs
+++ b/MC6809/MC6809.Test/Program.cs
@@ -13,7 +13,7 @@ namespace EightBit
             var configuration = new Configuration();
 
 #if DEBUG
-            configuration.DebugMode = true;
+            configuration.Debug = true;
 #endif
 
             var board = new Board(configuration);