diff --git a/MAKEFILE.TC b/MAKEFILE.TC
index 823cbd1..5678de1 100644
--- a/MAKEFILE.TC
+++ b/MAKEFILE.TC
@@ -18,7 +18,7 @@ CFLAGS = -A -w -ml -I.\include
 
 SRCDIR = src
 INCDIR = include
-BUILDDIR = build
+BUILDDIR = BUILD
 INSTALL_FILE = INSTALL.BAT
 README_DOS = READ-DOS.TXT
 
@@ -46,32 +46,40 @@ $(BUILDDIR):
 
 # Individual exe rules (unchanged)
 $(BUILDDIR)\cnadd.exe: $(SRCDIR)\cnadd.c $(INCDIR)\platform.h $(INCDIR)\config.h
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	$(CC) $(CFLAGS) -e$(BUILDDIR)\cnadd.exe $(SRCDIR)\cnadd.c
 
 $(BUILDDIR)\cndump.exe: $(SRCDIR)\cndump.c $(INCDIR)\platform.h $(INCDIR)\config.h
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	$(CC) $(CFLAGS) -e$(BUILDDIR)\cndump.exe $(SRCDIR)\cndump.c
 
 $(BUILDDIR)\cncount.exe: $(SRCDIR)\cncount.c $(INCDIR)\platform.h $(INCDIR)\config.h
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	$(CC) $(CFLAGS) -e$(BUILDDIR)\cncount.exe $(SRCDIR)\cncount.c
 
 $(BUILDDIR)\cndel.exe: $(SRCDIR)\cndel.c $(INCDIR)\platform.h $(INCDIR)\config.h
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	$(CC) $(CFLAGS) -e$(BUILDDIR)\cndel.exe $(SRCDIR)\cndel.c
 
 $(BUILDDIR)\cnfind.exe: $(SRCDIR)\cnfind.c $(INCDIR)\platform.h $(INCDIR)\config.h
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	$(CC) $(CFLAGS) -e$(BUILDDIR)\cnfind.exe $(SRCDIR)\cnfind.c
 
 $(BUILDDIR)\cnhelp.exe: $(SRCDIR)\cnhelp.c
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	$(CC) $(CFLAGS) -e$(BUILDDIR)\cnhelp.exe $(SRCDIR)\cnhelp.c
 
 $(BUILDDIR)\$(INSTALL_FILE): $(INSTALL_FILE)
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
 	copy $(INSTALL_FILE) $(BUILDDIR)\$(INSTALL_FILE)
 
 $(BUILDDIR)\$(README_DOS): $(README_DOS)
-   copy $(README_DOS) $(BUILDDIR)\$(README_DOS)
+	if not exist $(BUILDDIR) mkdir $(BUILDDIR)
+	copy $(README_DOS) $(BUILDDIR)\$(README_DOS)
 
 clean:
-   if exist $(BUILDDIR)\*.exe del $(BUILDDIR)\*.exe
-   if exist $(BUILDDIR)\*.obj del $(BUILDDIR)\*.obj
-   if exist $(BUILDDIR)\$(INSTALL_FILE) del $(BUILDDIR)\$(INSTALL_FILE)
-   if exist $(BUILDDIR)\$(README_DOS) del $(BUILDDIR)\$(README_DOS)
-   if exist $(BUILDDIR) rmdir $(BUILDDIR)
+	if exist $(BUILDDIR)\*.exe del $(BUILDDIR)\*.exe
+	if exist $(BUILDDIR)\*.obj del $(BUILDDIR)\*.obj
+	if exist $(BUILDDIR)\$(INSTALL_FILE) del $(BUILDDIR)\$(INSTALL_FILE)
+	if exist $(BUILDDIR)\$(README_DOS) del $(BUILDDIR)\$(README_DOS)
+	if exist $(BUILDDIR) rmdir $(BUILDDIR)