diff -upr ubuntu-mate-mate-menu-orig/mate_menu/plugins/system_management.py ubuntu-mate-mate-menu/mate_menu/plugins/system_management.py
--- a/mate_menu/plugins/system_management.py	2016-06-09 14:06:33.000000000 +0200
+++ b/mate_menu/plugins/system_management.py	2016-08-11 22:21:57.954656415 +0200
@@ -149,18 +149,18 @@ class pluginclass( object ):
                     return True
 
         if ( self.showPackageManager == True ):
-            if pathExists("synaptic-pkexec"):
-                Button2 = easyButton("synaptic", self.iconsize, [_("Package Manager")], -1, -1 )
-                Button2.connect( "clicked", self.ButtonClicked, "synaptic-pkexec" )
+            if pathExists("yumex"):
+                Button2 = easyButton("yumex", self.iconsize, [_("Package Manager")], -1, -1 )
+                Button2.connect( "clicked", self.ButtonClicked, "/usr/bin/yumex -n" )
+            elif pathExists("yumex-dnf"):
+                Button2 = easyButton("yumex-dnf", self.iconsize, [_("Package Manager")], -1, -1 )
+                Button2.connect( "clicked", self.ButtonClicked, "/usr/bin/yumex-dnf" )
+            elif pathExists("gpk-application"):
+                Button2 = easyButton("system-software-install", self.iconsize, [_("Package Manager")], -1, -1 )
+                Button2.connect("clicked", self.ButtonClicked, "/usr/bin/gpk-application")
             elif pathExists("gnome-software"):
                 Button2 = easyButton("org.gnome.Software", self.iconsize, [_("Package Manager")], -1, -1 )
                 Button2.connect( "clicked", self.ButtonClicked, "gnome-software" )
-            elif pathExists("software-center"):
-                Button2 = easyButton("softwarecenter", self.iconsize, [_("Package Manager")], -1, -1 )
-                Button2.connect( "clicked", self.ButtonClicked, "software-center" )
-            elif pathExists("ubuntu-mate-welcome"):
-                Button2 = easyButton("system-software-install", self.iconsize, [_("Package Manager")], -1, -1 )
-                Button2.connect("clicked", self.ButtonClicked, "ubuntu-mate-welcome --software-only")
             try:
                 Button2.show()
                 self.systemBtnHolder.pack_start( Button2, False, False, 0 )