Bachsau, this appears to be a gvfs bug rather than a Nautilus bug, see https://bugzilla.gnome.org/show_bug.cgi?id=551339 Not that it looks any better over there.
** Bug watch added: GNOME Bug Tracker #551339 https://bugzilla.gnome.org/show_bug.cgi?id=551339 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/558353 Title: nautilus copies DirectoryIndexes instead of directories via WebDAV -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs