wemux: wemux command doesn't recognize "rogue"

user@host:~$ wemux rogue
unknown command: rogue
To see a list of wemux commands enter 'wemux help'
user@host:~$ wemux help
wemux version 3.2.0
Current wemux server: wemux

Usage: wemux [command]
To host a wemux server please use one of the following:

    [s]       start: Start the wemux server/attach to an existing wemux server.
    [a]      attach: Attach to an existing wemux server.
    [k]        stop: Kill the wemux server 'wemux', delete its socket.

    [j] join [name]: Join the specified wemux server.
    [j]        join: Display the current wemux server.
    [d]       reset: Join default wemux server: wemux
    [l]        list: List all currently active wemux servers.
    [u]       users: List all users currently attached to 'wemux'
               kick: Disconnect an SSH user, remove their wemux server.

    [c]      config: Open the wemux configuration file in vi.
    [h]        help: Display this screen.
            no args: Start the wemux server/attach to an existing wemux server.
user@host:~$ sudo su -
root@host:~# cd /usr/local/share/wemux/
root@host:/usr/local/share/wemux# ./wemux help
wemux version 3.2.0
Current wemux server: wemux

Usage: wemux [command]
To connect to wemux please use one of the following:

    [m]      mirror: Attach to 'wemux' in read-only mode.
    [p]        pair: Attach to 'wemux' in pair mode, which allows editing.
    [r]       rogue: Attach to 'wemux' in rogue mode, allowing you to pair
                     and also work in other windows independent of the host.
    [o]      logout: Log out of the current wemux rogue session.

    [j] join [name]: Join the specified wemux server.
    [j]        join: Display the current wemux server.
    [d]       reset: Join default wemux server: wemux
    [l]        list: List all currently active wemux servers.
    [u]       users: List all users currently attached to 'wemux'

    [h]        help: Display this screen.
            no args: Attach to 'wemux' in rogue mode.

root@host:/usr/local/share/wemux# ls -la /usr/local/bin/wemux 
lrwxrwxrwx 1 root root 28 Mar 18 13:52 /usr/local/bin/wemux -> /usr/local/share/wemux/wemux