Unexpected NOCREATEROLE clause in role definition

To reproduce:

1. Run command

CREATE ROLE test CREATEROLE

2. Look to the role definition in Group roles.

Observed:

CREATE ROLE test
NOSUPERUSER INHERIT NOCREATEDB NOCREATEROLE;

Expected:

CREATE ROLE test
NOSUPERUSER INHERIT NOCREATEDB CREATEROLE;

Platform:

PgAdmin 1.4.1 on Windows XP

"PostgreSQL 8.1.1 on i686-pc-mingw32, compiled by GCC gcc.exe (GCC) 3.4.2
(mingw-special)"