Hmmm.... ok. If you use KDE, here's a way to use native Plasma notifications instead:
kdialog --title "Some meaningful title" --passivepopup "Whatever you want the notification to display." 10</pre> <br/> (from: http://mostly-technical.blogspot.com.au/2013/02/creating-notifications-in-plasma-desktop.html)
Hmmm.... ok. If you use KDE, here's a way to use native Plasma notifications instead: