diff --git a/ml-proto/Makefile b/ml-proto/Makefile
index 6cfebf08a7..6be1b1734e 100644
--- a/ml-proto/Makefile
+++ b/ml-proto/Makefile
@@ -19,13 +19,13 @@ all:		$(NAME) unopt
 $(NAME):	main.native
 		mv $< $@
 
-unopt:		main.byte
+unopt:		main.d.byte
 		mv $< $@
 
 main.native:	$(MAKEFILE)
 		$(OCB) $@
 
-main.byte:	$(MAKEFILE)
+main.d.byte:	$(MAKEFILE)
 		$(OCB) $@
 
 clean: