diff --git a/Source/HBIOS/Makefile b/Source/HBIOS/Makefile
index 9587c33b..ca6f8606 100644
--- a/Source/HBIOS/Makefile
+++ b/Source/HBIOS/Makefile
@@ -1,6 +1,6 @@
 OBJECTS =
 
-ifeq (1,0)
+ifeq (1,1)
 OBJECTS += DYNO_std.rom 
 OBJECTS += EZZ80_std.rom 
 OBJECTS += MK4_std.rom