- QDBusConnection::sessionBus().interface()->registerService(QStringLiteral("org.freedesktop.FileManager1"),
- QDBusConnectionInterface::QueueService);
+ QDBusConnectionInterface *sessionInterface = QDBusConnection::sessionBus().interface();
+ if (sessionInterface) {
+ sessionInterface->registerService(QStringLiteral("org.freedesktop.FileManager1"), QDBusConnectionInterface::QueueService);
+ }