Comment 6 for bug 963895

Bug #290742 over at bugs.kde.org states that this issue is resolved upstream in the latest version of kmix.
https://bugs.kde.org/show_bug.cgi?id=290742

However kmix hasn't been updated in kubuntu repos. If you're impatient like me, you can just install it from the kubuntu updates ppa. https://launchpad.net/~kubuntu-ppa/+archive/ppa