Description of problem: Launching system-config-users in a GNOME Wayland session fails. An error message is returned to the shell where the command was issued: $ system-config-users No protocol specified system-config-users requires a currently running X server. GtkWarning: 'could not open display' Version-Release number of selected component (if applicable): gnome-shell-3.17.90-1.fc23.x86_64 How reproducible: Always Steps to Reproduce: 1. Launch system-config-users from a shell. Actual results: system-config-users can not open an application window. Expected results: system-config-users starts up as expected. Additional info: system-config-users works as expected in a normal GNOME session.