diff --git a/src/module_vmap/module/javascript/app/vmap/mapmanager/layerstree.js b/src/module_vmap/module/javascript/app/vmap/mapmanager/layerstree.js
index 8d7dcf698ccfa849a34b3d2ed0d4e1405ad134ff..48180b6225a0ec4491107b91902a4bbe75206edf 100644
--- a/src/module_vmap/module/javascript/app/vmap/mapmanager/layerstree.js
+++ b/src/module_vmap/module/javascript/app/vmap/mapmanager/layerstree.js
@@ -665,6 +665,8 @@ nsVmap.nsMapManager.LayersTree.prototype.LayertreeController.prototype.toggleLay
     } else {
         this.closeLayersMenus();
         oLayer['displayedMenu'] = true;
+        // Si toutes les couches sont activés : le checkbox pour activer ou désactiver toutes les couches est coché.
+        this.setAllSublayersActivationCheckbox(oLayer["olLayer"]);
     }
 
     // Resize la fenêtre
@@ -747,6 +749,9 @@ nsVmap.nsMapManager.LayersTree.prototype.LayertreeController.prototype.toggleSub
         this.activeSublayer(olLayer, sSublayer);
     }
 
+    // Si toutes les couches sont activés : le checkbox pour activer ou désactiver toutes les couches est coché.
+    this.setAllSublayersActivationCheckbox(olLayer);
+    //
     oVmap['scope'].$broadcast('layersChanged');
 };
 
@@ -1028,13 +1033,31 @@ nsVmap.nsMapManager.LayersTree.prototype.LayertreeController.prototype.setSublay
  */
 nsVmap.nsMapManager.LayersTree.prototype.LayertreeController.prototype.toggleAllSubLayers = function (oLayer, sCheckboxId) {
     oVmap.log('nsVmap.nsMapManager.LayersTree.LayertreeController.toggleAllSubLayers');
-    var aAvaliableSublayers = angular.copy(oLayer["olLayer"]["get"]('sublayers'));
+    var aAvailableSublayers = angular.copy(oLayer["olLayer"]["get"]('sublayers'));
     var bLayersVisibility = document.getElementById(sCheckboxId).checked;
-    for (var i = 0; i < aAvaliableSublayers.length; i++) {
+    for (var i = 0; i < aAvailableSublayers.length; i++) {
         if (bLayersVisibility || i == 0)
-            this.activeSublayer(oLayer["olLayer"], aAvaliableSublayers[i]);
+            this.activeSublayer(oLayer["olLayer"], aAvailableSublayers[i]);
         else
-            this.unactiveSublayer(oLayer["olLayer"], aAvaliableSublayers[i], '#' + oLayer["olLayer"].$$hashKey + '_sublayer_' + aAvaliableSublayers[i] + '_visible_checkbox');
+            this.unactiveSublayer(oLayer["olLayer"], aAvailableSublayers[i], '#' + oLayer["olLayer"].$$hashKey + '_sublayer_' + aAvailableSublayers[i] + '_visible_checkbox');
     }
     oVmap['scope'].$broadcast('layersChanged');
 };
+
+/*
+* LayertreeController.prototype.setAllSublayersActivationCheckbox - Coche ou décoche le checkbox pour activer ou désactiver toutes les couches
+*
+* @param  {ol.Layer} olLayer
+* @export
+*/
+nsVmap.nsMapManager.LayersTree.prototype.LayertreeController.prototype.setAllSublayersActivationCheckbox = function(olLayer) {
+   oVmap.log('nsVmap.nsMapManager.LayersTree.LayertreeController.setAllSublayersActivationCheckbox');
+   var aAvailableSublayers = olLayer.get('sublayers');
+   var aActiveSublayers = olLayer.get('activeSublayers');
+   if (goog.isArray(aAvailableSublayers) && goog.isArray(aAvailableSublayers)) {
+      if (aAvailableSublayers.length == aActiveSublayers.length)
+          olLayer["allSublayersActive"] = true;
+      else
+          olLayer["allSublayersActive"] = false;
+   }
+};
diff --git a/src/module_vmap/module/template/layers/layertree.html b/src/module_vmap/module/template/layers/layertree.html
index 9fe281ac8f44430a2349cf06046505f1e3300198..182e3af087bc48c984f0803fde4cd91dc9ec8a0f 100644
--- a/src/module_vmap/module/template/layers/layertree.html
+++ b/src/module_vmap/module/template/layers/layertree.html
@@ -126,6 +126,7 @@
                                              type="checkbox"
                                              style="cursor:pointer; position: absolute"
                                              title="Définition de la visibilité de toutes les couches"
+                                             ng-checked="layer.olLayer.allSublayersActive"
                                              ng-click="ctrl.toggleAllSubLayers(layer, layer.$$hashKey + '_all_sublayer_visibility_checkbox')">
                                       <label for="{{layer.$$hashKey}}_all_sublayer_visibility_checkbox" style="cursor:pointer" title="Définition de la visibilité de toutes les couches"></label>
                                   </div>