Thanks to Martin Schlemmer <azarah@nosferatu.za.org> for the fix.
# pty devices
KERNEL="pty[p-za-e][0-9a-f]*", NAME="pty/m%n", SYMLINK="%k"
# pty devices
KERNEL="pty[p-za-e][0-9a-f]*", NAME="pty/m%n", SYMLINK="%k"
-KERNEL="tty[p-za-e][0-9a-f]*", NAME="tty/s%n", SYMLINK="%k"
+KERNEL="tty[p-za-e][0-9a-f]*", NAME="pty/s%n", SYMLINK="%k"
# ramdisk devices
KERNEL="ram[0-9]*", NAME="rd/%n", SYMLINK="%k"
# ramdisk devices
KERNEL="ram[0-9]*", NAME="rd/%n", SYMLINK="%k"