Can't change the admin username about icecast

[infiniteproject]

tested:

docker run -e ICECAST_SOURCE_PASSWORD=’test’ -e ICECAST_ADMIN_PASSWORD=’test’ -e ICECAST_ADMIN_USERNAME=’test’ -p 8000:8000 -d infiniteproject/icecast

checked /etc/icecast.xml

   <authentication>
        <!-- Sources log in with username 'source' -->
        <source-password>’test’</source-password>
        <!-- Relays log in with username 'relay' -->
        <relay-password>hackme</relay-password>

        <!-- Admin logs in with the username given below -->
        <admin-user>’test’</admin-user>
        <admin-password>’test’</admin-password>
    </authentication>

please provide more information about your environment.

[infiniteproject]

checked also without ' quotes:

   <authentication>
        <!-- Sources log in with username 'source' -->
        <source-password>hackme</source-password>
        <!-- Relays log in with username 'relay' -->
        <relay-password>hackme</relay-password>

        <!-- Admin logs in with the username given below -->
        <admin-user>test</admin-user>
        <admin-password>test</admin-password>
    </authentication>

[nicolassrod]

I have the same problem
to broadcast I have to put the Admin User Name to an empty string