diff --git a/Makefile b/Makefile
index 741e5ef7..f4c60c14 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
 all:
+	echo SHELL=$(SHELL)
 	$(MAKE) --directory Tools/unix
 	$(MAKE) --directory Source
 
@@ -15,4 +16,3 @@ clobber:
 
 diff:
 	$(MAKE) --directory Source diff
-
diff --git a/Source/HBIOS/diskdefs b/Source/RomDsk/diskdefs
similarity index 100%
rename from Source/HBIOS/diskdefs
rename to Source/RomDsk/diskdefs
diff --git a/Tools/Makefile.inc b/Tools/Makefile.inc
index 32ad2bb0..675535b9 100644
--- a/Tools/Makefile.inc
+++ b/Tools/Makefile.inc
@@ -123,6 +123,7 @@ endif
 # first target is default
 #
 all:: $(OBJECTS)
+	echo SHELL=$(SHELL)
 	@for dir in $(SUBDIRS) ; do \
 		$(MAKE) --directory $$dir all ; \
 	done