--- src/qmapshack/device/CDeviceWatcherLinux.cpp.orig 2019-04-20 21:33:23.749597000 +0200 +++ src/qmapshack/device/CDeviceWatcherLinux.cpp 2019-04-20 21:34:05.021101000 +0200 @@ -174,7 +174,9 @@ #if defined(Q_OS_FREEBSD) for(const QVariant &arg : reply.arguments()) { - points.append(arg.value().variant().value().first()); + if(!arg.value().variant().value().isEmpty()) { + points.append(arg.value().variant().value().first()); + } } #else QList list;