diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index e2ba9ebc5cc..4a7f09cb461 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -1139,7 +1139,10 @@ class DataSet(openerpweb.Controller):
     @openerpweb.jsonrequest
     def resequence(self, req, model, ids):
         m = req.session.model(model)
-        print "TODO: write resequencing"
+        if not len(m.fields_get(['sequence'])):
+            return False
+        for i in range(len(ids)):
+            m.write([ids[i]], { 'sequence': i })
         return True
 
 class DataGroup(openerpweb.Controller):
diff --git a/addons/web_kanban/static/src/js/kanban.js b/addons/web_kanban/static/src/js/kanban.js
index 42a3fc1600e..245f7024a22 100644
--- a/addons/web_kanban/static/src/js/kanban.js
+++ b/addons/web_kanban/static/src/js/kanban.js
@@ -307,7 +307,9 @@ instance.web_kanban.KanbanView = instance.web.View.extend({
                             self.groups.splice(stop_index, 0, tmp_group);
                             var new_sequence = _.pluck(self.groups, 'value');
                             (new instance.web.DataSet(self, self.group_by_field.relation)).resequence(new_sequence).then(function(r) {
-                                console.log(r);
+                                if (r === false) {
+                                    console.error("Kanban: could not resequence model '%s'. Probably no 'sequence' field.", self.group_by_field.relation);
+                                }
                             });
                         }
                         self.$('.oe_kanban_record').show();
@@ -555,9 +557,8 @@ instance.web_kanban.KanbanGroup = instance.web.Widget.extend({
     do_save_sequences: function() {
         var self = this;
         if (_.indexOf(this.view.fields_keys, 'sequence') > -1) {
-            _.each(this.records, function(record, index) {
-                self.view.dataset.write(record.id, { sequence : index });
-            });
+            var new_sequence = _.pluck(this.records, 'id');
+            self.view.dataset.resequence(new_sequence);
         }
     },
     /**