diff --git a/src/activities/leftright/Leftright.qml b/src/activities/leftright/Leftright.qml
index 01dec2c99..6a04b5594 100644
--- a/src/activities/leftright/Leftright.qml
+++ b/src/activities/leftright/Leftright.qml
@@ -1,200 +1,201 @@
 /* GCompris - Leftright.qml
  *
  * Copyright (C) 2014 Bruno Coudoin <bruno.coudoin@gcompris.net>
  *
  * Authors:
  *   Pascal Georges <pascal.georges1@free.fr> (GTK+ version)
  *   Bruno Coudoin <bruno.coudoin@gcompris.net> (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 <http://www.gnu.org/licenses/>.
  */
 import QtQuick 2.6
 import GCompris 1.0
 import "../../core"
 import "leftright.js" as Activity
 
 ActivityBase {
     id: activity
 
     onStart: focus = true;
 
-    Keys.onLeftPressed: Activity.leftClickPressed()
-    Keys.onRightPressed: Activity.rightClickPressed()
-
     pageComponent: Image {
         id: background
         source: "qrc:/gcompris/src/activities/leftright/resource/back.svg"
         sourceSize.width: Math.max(parent.width, parent.height)
         focus: true
         signal start
         signal stop
         fillMode: Image.PreserveAspectCrop
 
         QtObject {
             id: items
             property alias bar: bar
             property alias bonus: bonus
             property GCSfx audioEffects: activity.audioEffects
             property alias imageAnimOff: imageAnimOff
             property alias leftButton: leftButton
             property alias rightButton: rightButton
             property alias score: score
             property bool buttonsBlocked: false
         }
 
+        Keys.onLeftPressed: Activity.leftClickPressed()
+        Keys.onRightPressed: Activity.rightClickPressed()
+        Keys.enabled: !items.buttonsBlocked
+        
         Component.onCompleted: {
             activity.start.connect(start)
             activity.stop.connect(stop)
         }
         onStart: { Activity.start(items) }
         onStop: { Activity.stop() }
 
         Item {
             id: topBorder
             height: background.height * 0.08
         }
 
         Image {
             id: blackBoard
             anchors.horizontalCenter: parent.horizontalCenter
             anchors.top: topBorder.bottom
             fillMode: Image.PreserveAspectFit
             sourceSize.width: Math.min(background.width,
                                        (background.height - leftButton.height - bar.height) * 1.3)
             source: "qrc:/gcompris/src/activities/leftright/resource/blackboard.svg"
 
             Image {
                 id: handImage
                 anchors.horizontalCenter: parent.horizontalCenter
                 anchors.verticalCenter: parent.verticalCenter
                 fillMode: Image.PreserveAspectFit
                 scale: blackBoard.height / 300 * 0.8
                 opacity: 0
             }
 
             Image {
                 id: lightImage
                 source: "qrc:/gcompris/src/activities/leftright/resource/light.svg"
                 sourceSize.width: parent.width
                 sourceSize.height: parent.height
                 anchors.horizontalCenter: parent.horizontalCenter
                 anchors.top: parent.top
                 anchors.topMargin: 40
                 opacity: 0
             }
 
             ParallelAnimation {
                 id: imageAnimOff
                 onRunningChanged: {
                     if (!imageAnimOff.running) {
                         handImage.source = Activity.getCurrentHandImage()
                         handImage.rotation = Activity.getCurrentHandRotation()
 
                         imageAnimOn.start()
                     }
                 }
                 NumberAnimation {
                     target: handImage
                     property: "opacity"
                     from: 1; to: 0
                     duration: 300
                     easing.type: Easing.InOutQuad
                 }
                 NumberAnimation {
                     target: lightImage
                     property: "opacity"
                     from: 0.2; to: 0
                     duration: 300
                     easing.type: Easing.InOutQuad
                 }
             }
             ParallelAnimation {
                 id: imageAnimOn
                 onStopped: bonus.isPlaying ? items.buttonsBlocked = true : items.buttonsBlocked = false
                 NumberAnimation {
                     target: handImage
                     property: "opacity"
                     from: 0; to: 1.0
                     duration: 300
                     easing.type: Easing.InOutQuad
                 }
                 NumberAnimation {
                     target: lightImage
                     property: "opacity"
                     from: 0; to: 0.2
                     duration: 300
                     easing.type: Easing.InOutQuad
                 }
             }
 
             AnswerButton {
                 id: leftButton
                 width: blackBoard.width * 0.45
                 height: background.height * 0.15
                 anchors.left: blackBoard.left
                 anchors.top: blackBoard.bottom
                 anchors.margins: 10
                 textLabel: qsTr("Left hand")
                 audioEffects: activity.audioEffects
                 onPressed: items.buttonsBlocked = true
                 onCorrectlyPressed: Activity.leftClick()
                 blockAllButtonClicks: items.buttonsBlocked
                 onIncorrectlyPressed: items.buttonsBlocked = false
             }
 
             AnswerButton {
                 id: rightButton
                 width: blackBoard.width * 0.45
                 height: background.height * 0.15
                 anchors.right: blackBoard.right
                 anchors.top: blackBoard.bottom
                 anchors.margins: 10
                 audioEffects: activity.audioEffects
                 textLabel: qsTr("Right hand")
                 onPressed: items.buttonsBlocked = true
                 onCorrectlyPressed: Activity.rightClick()
                 blockAllButtonClicks: items.buttonsBlocked
                 onIncorrectlyPressed: items.buttonsBlocked = false
             }
         }
 
         DialogHelp {
             id: dialogHelpLeftRight
             onClose: home()
         }
 
         Bar {
             id: bar
             content: BarEnumContent { value: help | home | level }
             onHelpClicked: {
                 displayDialog(dialogHelpLeftRight)
             }
             onPreviousLevelClicked: Activity.previousLevel()
             onNextLevelClicked: Activity.nextLevel()
             onHomeClicked: home()
         }
 
         Bonus {
             id: bonus
             onStart: items.buttonsBlocked = true
             onStop: items.buttonsBlocked = false
         }
 
         Score {
             id: score
             anchors.top: background.top
             anchors.bottom: undefined
         }
     }
 }