The solution by astraluxkl didn't work for me. Still, only "killall notification-area-applet" works sometimes.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in Ubuntu. https://bugs.launchpad.net/bugs/767095 Title: 1 pixel icons in notification-area-applet for qt softwares (e.g. Skype) -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs