diff --git a/web_menu_navbar_needaction/__openerp__.py b/web_menu_navbar_needaction/__openerp__.py
index e1356e9c..4f54faf9 100644
--- a/web_menu_navbar_needaction/__openerp__.py
+++ b/web_menu_navbar_needaction/__openerp__.py
@@ -26,6 +26,7 @@
     "summary": "Show the sum of submenus' needaction counters in main menu",
     "depends": [
         'web',
+        'mail',
     ],
     "data": [
         "data/ir_config_parameter.xml",
diff --git a/web_menu_navbar_needaction/models/ir_ui_menu.py b/web_menu_navbar_needaction/models/ir_ui_menu.py
index 052446ad..8cc1b553 100644
--- a/web_menu_navbar_needaction/models/ir_ui_menu.py
+++ b/web_menu_navbar_needaction/models/ir_ui_menu.py
@@ -27,10 +27,15 @@ class IrUiMenu(models.Model):
     def get_navbar_needaction_data(self):
         result = {}
         for this in self:
-            result[this.id] = sum(map(
-                lambda x: x['needaction_counter'],
-                self.search([('id', 'child_of', this.ids)])
-                ._filter_visible_menus().get_needaction_data()
-                .itervalues())
-            )
+            count_per_model = {}
+            for menu_id, needaction in self.search(
+                    [('id', 'child_of', this.ids)])._filter_visible_menus()\
+                    .get_needaction_data().iteritems():
+                if needaction['needaction_enabled']:
+                    model = self.env['ir.ui.menu'].browse(menu_id).action\
+                        .res_model
+                    count_per_model[model] = max(
+                        count_per_model.get(model),
+                        needaction['needaction_counter'])
+            result[this.id] = sum(count_per_model.itervalues())
         return result
diff --git a/web_menu_navbar_needaction/static/src/js/web_menu_navbar_needaction.js b/web_menu_navbar_needaction/static/src/js/web_menu_navbar_needaction.js
index 93a859ad..799b6120 100644
--- a/web_menu_navbar_needaction/static/src/js/web_menu_navbar_needaction.js
+++ b/web_menu_navbar_needaction/static/src/js/web_menu_navbar_needaction.js
@@ -75,4 +75,15 @@ openerp.web_menu_navbar_needaction = function(instance)
             });
         },
     })
+
+    instance.mail.Thread.include({
+        message_fetch_set_read: function (message_list)
+        {
+            this._super.apply(this, arguments);
+            return this.render_mutex.exec(function()
+            {
+                instance.client.menu.refresh_navbar_needaction();
+            });
+        },
+    })
 }