--- debianutils-2.8.4/mkboot
+++ debianutils-2.8.4/mkboot
@@ -71,7 +71,7 @@
 # make a lilo boot disk
 makelilo () {
 (
-    b=$tmpdir/boot$$
+    b=`mktemp $tmpdir/boot.XXXXXX`
     trap "set +e; cd /; umount $FLOPPY; rmdir $b" EXIT
     mkdir $b
     mke2fs -q $FLOPPY