diff --git a/mkfiles.pl b/mkfiles.pl
index 37207ded..b36edd35 100755
--- a/mkfiles.pl
+++ b/mkfiles.pl
@@ -350,7 +350,7 @@ print
 "FORCE:\n".
 "\t\$(CC) \$(COMPAT) \$(FWHACK) \$(XFLAGS) \$(CFLAGS) \$(VER) -c version.c\n".
 "clean:\n".
-"\trm -f *.o *.exe *.res.o\n".
+"\trm -f *.o *.exe *.res.o *.map\n".
 "\n";
 select STDOUT; close OUT;