{
/* Make a new screen and add it to the current cinema */
dcp::CertificateChain chain (dcp::file_to_string(optarg));
- shared_ptr<Screen> screen (new Screen (screen_description, chain.leaf(), vector<TrustedDevice>()));
+ shared_ptr<Screen> screen (new Screen (screen_description, "", chain.leaf(), vector<TrustedDevice>()));
if (cinema) {
cinema->add_screen (screen);
}