Comment # 2 on bug 933032 from Wolfgang Bauer

Sounds like this upstream bug report:
https://bugs.kde.org/show_bug.cgi?id=347143

Should be fixed in plasma-framework 5.11 (to be released this week) with the
following commit:
http://quickgit.kde.org/?p=plasma-framework.git&a=commit&h=c0c56191db77c0ffc73b63c6c1c7a96c2bb09a67