diff --git a/addons/web_graph/static/src/js/charts.js b/addons/web_graph/static/src/js/charts.js
index 0ecd15d1daf..2fb0cd7b380 100644
--- a/addons/web_graph/static/src/js/charts.js
+++ b/addons/web_graph/static/src/js/charts.js
@@ -1,17 +1,16 @@
 
-var formatter = function (measure) {
-    return function (datapt) {
-        var val = datapt.attributes;
-        return {
-            x: datapt.attributes.value[1],
-            y: measure ? val.aggregates[measure] : val.length,
-        };        
-    };
+function format_chart_data (pivot) {
+    var values = _.map(pivot.rows[0].children.reverse(), function (pt) {
+        var val = pivot.get_value(pt.id, 2);
+        return {x: pt.name, y: val};
+    });
+    return [{key: 'Bar chart', values: values}];
+
 };
 
-
 var Charts = {
-    bar_chart : function (data) {
+    bar_chart : function (pivot) {
+        var data = format_chart_data(pivot);
         nv.addGraph(function () {
           var chart = nv.models.discreteBarChart()
                 .tooltips(false)
@@ -31,7 +30,8 @@ var Charts = {
         });
     },
 
-    line_chart: function (data) {
+    line_chart: function (pivot) {
+        data = format_chart_data(pivot);
         nv.addGraph(function () {
             var chart = nv.models.lineChart()
                 .x(function (d,u) { return u; })
@@ -49,7 +49,8 @@ var Charts = {
           });
     },
 
-    pie_chart: function (data) {
+    pie_chart: function (pivot) {
+        data = format_chart_data(pivot);
         nv.addGraph(function () {
             var chart = nv.models.pieChart()
                 .color(d3.scale.category10().range())
@@ -67,6 +68,4 @@ var Charts = {
             return chart;
         });
     },
-
-
 };
\ No newline at end of file
diff --git a/addons/web_graph/static/src/js/graph.js b/addons/web_graph/static/src/js/graph.js
index da3f4257b33..4d74ad71121 100644
--- a/addons/web_graph/static/src/js/graph.js
+++ b/addons/web_graph/static/src/js/graph.js
@@ -172,7 +172,7 @@ instance.web_graph.GraphView = instance.web.View.extend({
             this.svg.remove();
             this.svg = $('<div><svg></svg></div>');
             this.$el.filter('.graph_main_content').append(this.svg);
-            Charts[mode](this.pivot_table.get_chart_data());
+            Charts[mode](this.pivot_table);
 
         }
     },
diff --git a/addons/web_graph/static/src/js/pivot.js b/addons/web_graph/static/src/js/pivot.js
index 288bd14436e..a5a3af78ae9 100644
--- a/addons/web_graph/static/src/js/pivot.js
+++ b/addons/web_graph/static/src/js/pivot.js
@@ -179,16 +179,6 @@ var PivotTable = openerp.web.Class.extend({
         });
 	},
 
-	get_chart_data: function () {
-		var self = this;
-		var values = _.map(this.rows[0].children, function (pt) {
-			var val = self.get_value(pt.id, 2);
-			return {x: pt.name, y: val};
-		});
-		return [{key: 'Bar chart', values: values}];
-
-	},
-
 	swap_axis: function () {
 		var temp = this.rows;
 		this.rows = this.cols;