Index: sources/gui/qml/dialogs/NotificationDialog.qml
===================================================================
diff -u -r78cf0c96836f3fd612e5871a9f48dbb048bd7e99 -r13d6a4fae2f910ab6e289ac9280258a94f734405
--- sources/gui/qml/dialogs/NotificationDialog.qml	(.../NotificationDialog.qml)	(revision 78cf0c96836f3fd612e5871a9f48dbb048bd7e99)
+++ sources/gui/qml/dialogs/NotificationDialog.qml	(.../NotificationDialog.qml)	(revision 13d6a4fae2f910ab6e289ac9280258a94f734405)
@@ -87,15 +87,15 @@
         }
 
         MouseArea { id: _minimizeArea
-            enabled: _root.minVisible
+            enabled     : _root.minVisible
             anchors.fill: parent
             onClicked   : _root.minimizeClicked()
         }
 
         UpDownButton { id: _minimizeButton
-            visible: _root.minVisible
             backgroundColor: _titleBar.color
-            isUp: false
+            isUp    : false
+            isList  : ! _root.minVisible
             anchors {
                 verticalCenter  : _titleBar.verticalCenter
                 right           : _titleBar.right