kwallet get password as root user

I'm currently setting up a borgmatic backup job that should get the repository from the kwallet using the following command: kwallet-query -r systeembackup kdewallet -f borg But unfortunately it triggers this error when I run borgmatic: QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Couldn't start kwalletd: QDBusError("org.freedesktop.DBus.Error.Disconnected", "Not connected to D-Bus server") passcommand supplied in BORG_PASSCOMMAND failed: Command '['kwallet-query', '-r', 'systeembackup', 'kdewallet', '-f', 'borg']' returned non-zero exit status 1. Because the backup job is run as the root user to be able to perform a full system backup, the command is not able to open the KDE wallet. I tried running it as my own user: sudo -i -u ik kwallet-query -r systeembackup kdewallet -f borg Without success: QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-ik' Couldn't start kwalletd: QDBusError("org.freedesktop.DBus.Error.Disconnected", "Not connected to D-Bus server") Wallet kdewallet not found Also not by setting the XDG variable first: export XDG_RUNTIME_DIR=/run/user/1000; sudo -i -u ik kwallet-query -r systeembackup kdewallet -f borg Is there a way to the password from the wallet as a privileged process/user?