diff --git a/src/mambatray b/src/mambatray
index 22aae69..3dc9c10 100755
--- a/src/mambatray
+++ b/src/mambatray
@@ -126,13 +126,13 @@ class SystemTrayIcon(QtGui.QSystemTrayIcon):
 
     def softwareManager(self):
 	if desktop_session == 'kde':
-        	softwareManagerProcess.execute("/opt/kde/bin/apper")
+        	softwareManagerProcess.execute("/opt/kde/bin/kpackagekit")
 	else:
         	softwareManagerProcess.execute("/usr/bin/gpk-application")
 
     def softwareCheckUpgrades(self):
 	if desktop_session == 'kde':
-        	softwareCheckUpgradesProcess.start("/opt/kde/bin/apper", ['--updates'])
+        	softwareCheckUpgradesProcess.start("/opt/kde/bin/kpackagekit", ['--updates'])
         else:
         	softwareCheckUpgradesProcess.start("/usr/bin/gpk-update-viewer")
     def refreshPackagesCache(self):