How can I remove the target directory selection in Qt installer?

I am trying to make an installer on Linux with Qt Installer Framework and I'd like to set a fixed target dir and remove that page from the installer. I've managed to do this with a script and using setDefaultPageVisible. This works but I have to press the next button twice in order to get past it.

Is this a known issue or is there a better way to achieve this?

For the benefit of others, I found a solution. It seems that you need to remove the Introduction page as well as TargetDirectory as there appears to be a duplicate Introduction page otherwise.

function Component()
{
    installer.setDefaultPageVisible(QInstaller.Introduction, false);
    installer.setDefaultPageVisible(QInstaller.TargetDirectory, false);
}