diff --git a/src/activities/guesscount/Tile.qml b/src/activities/guesscount/Tile.qml
index d3493f92b..4af9a1283 100644
--- a/src/activities/guesscount/Tile.qml
+++ b/src/activities/guesscount/Tile.qml
@@ -1,108 +1,108 @@
 /* GCompris - Tile.qml
  *
  * Copyright (C) 2016 RAHUL YADAV <rahulyadav170923@gmail.com>
  *
  * Authors:
  *   Pascal Georges <pascal.georges1@free.fr> (GTK+ version)
  *   RAHUL YADAV <rahulyadav170923@gmail.com> (Qt Quick port)
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 3 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 import QtQuick 2.6
 import "guesscount.js" as Activity
 import "../../core"
 
 MouseArea {
     id: mouseArea
     property alias tile: tile
     property alias datavalue: tile.datavalue
     property var reparent: root
     width: root.width
     height: root.height
     anchors.centerIn: parent
     drag.target: tile
     onReleased: {
         parent = tile.Drag.target != null ? tile.Drag.target : root
         tile.Drag.drop()
     }
     onParentChanged: {
         if(parent.children.length>2 && root.type == "operators")
             mouseArea.destroy()
     }
 
     onClicked: {
-        if(Activity.items.warningDialog.visible)
-            Activity.items.warningDialog.visible = false
+        if(items.warningDialog.visible)
+            items.warningDialog.visible = false
     }
     Rectangle {
         id: tile
         width: parent.width
         height: parent.height
         anchors.verticalCenter: parent.verticalCenter
         anchors.horizontalCenter: parent.horizontalCenter
         property var datavalue: modelData
         radius: 10
         //opacity: 0.7
         //color: root.type == "operators" ? "red" : "green"
         color: "#E8E8E8"
         Drag.keys: [ type ]
         Drag.active: mouseArea.drag.active
         Drag.hotSpot.x: parent.width/2
         Drag.hotSpot.y: parent.height/2
         
         Rectangle {
             id: typeLine
             width: parent.width - anchors.margins
             height: parent.height - anchors.margins
             anchors.verticalCenter: parent.verticalCenter
             anchors.horizontalCenter: parent.horizontalCenter
             anchors.margins: parent.height/8
             radius: 10
             color: root.type == "operators" ? "#E16F6F" : "#75D21B" // red or green
         }
         
         Rectangle {
             id: insideFill
             width: parent.width - anchors.margins
             height: parent.height - anchors.margins
             anchors.verticalCenter: parent.verticalCenter
             anchors.horizontalCenter: parent.horizontalCenter
             anchors.margins: parent.height/4
             radius: 10
             color: "#E8E8E8" //paper white
         }
         
         
         GCText {
             anchors.horizontalCenter: parent.horizontalCenter
             anchors.verticalCenter: parent.verticalCenter
             text: modelData
             fontSize: mediumSize
         }
         states: [
             State {
                 when: mouseArea.drag.active
                 ParentChange { target: tile; parent: root }
                 AnchorChanges { target: tile; anchors.verticalCenter: undefined; anchors.horizontalCenter: undefined }
             },
             State {
-                when: Activity.items.warningDialog.visible
+                when: items.warningDialog.visible
                 PropertyChanges {
                     target: mouseArea
                     enabled: false
                 }
             }
         ]
     }
 }