diff --git a/addons/web_graph/static/src/js/charts.js b/addons/web_graph/static/src/js/charts.js
index 2ac84085ce1..35585c73c09 100644
--- a/addons/web_graph/static/src/js/charts.js
+++ b/addons/web_graph/static/src/js/charts.js
@@ -2,8 +2,9 @@
 openerp.web_graph.draw_chart = function (mode, pivot, svg) {
 
     var data = _.map(pivot.rows.main.children, function (pt) {
-        var val = pivot.get_value(pt.id, pivot.cols.main.id);
-        return {x: pt.title, y: val};
+        var value = pivot.get_value(pt.id, pivot.cols.main.id),
+            title = (pt.title !== undefined) ? pt.title : 'Undefined';
+        return {x: title, y: value};
     });
     
     switch (mode) {
diff --git a/addons/web_graph/static/src/js/graph.js b/addons/web_graph/static/src/js/graph.js
index 450a86a470a..77f444948b5 100644
--- a/addons/web_graph/static/src/js/graph.js
+++ b/addons/web_graph/static/src/js/graph.js
@@ -122,6 +122,10 @@ instance.web_graph.GraphView = instance.web.View.extend({
             model = new instance.web.Model(fields_view_get.model, {group_by_no_leaf: true}),
             row_groupby = [];
 
+        if (fields_view_get.arch.attrs.type === 'bar') {
+            this.mode = 'bar_chart';
+        }
+
         // get the default groupbys and measure defined in the field view
         _.each(fields_view_get.arch.children, function (field) {
             if ('name' in field.attrs) {
diff --git a/addons/web_graph/static/src/xml/web_graph.xml b/addons/web_graph/static/src/xml/web_graph.xml
index 33cc1a728c5..9a969a23eae 100644
--- a/addons/web_graph/static/src/xml/web_graph.xml
+++ b/addons/web_graph/static/src/xml/web_graph.xml
@@ -60,8 +60,6 @@
                     </a>
 		        </li>
 	        </t>
-            <li class="divider"></li>
-            <li><a>Clear groups</a></li>
         </ul>
     </div>