--- a/cms/app-client/app/components/visu-carto.js	Wed Jan 20 15:53:27 2016 +0100
+++ b/cms/app-client/app/components/visu-carto.js	Wed Jan 20 23:05:52 2016 +0100
@@ -114,7 +114,7 @@
     var areaList = [];
     var count = {};
     area.svg.g.path.map(function(elt, index){
-      var length = _this.get("sounds").filterBy("spatial", elt.title).toArray().length;
+      var length = _this.get("documents").filterBy("spatial", elt.title).toArray().length;
       if (length > 0)
         count[elt.id]= length;
     });