diff --git a/addons/base/static/src/js/form.js b/addons/base/static/src/js/form.js
index dc631c1256a..de9006c42a2 100644
--- a/addons/base/static/src/js/form.js
+++ b/addons/base/static/src/js/form.js
@@ -1086,8 +1086,9 @@ openerp.base.form.Many2ManyListView = openerp.base.ListView.extend({
 openerp.base.form.Many2XSelectPopup = openerp.base.BaseWidget.extend({
     identifier_prefix: "many2xselectpopup",
     template: "Many2XSelectPopup",
-    select_element: function(model) {
+    select_element: function(model, dataset) {
         this.model = model;
+        this.dataset = dataset
         var html = this.render();
         jQuery(html).dialog({title: '',
                     modal: true,
@@ -1096,7 +1097,9 @@ openerp.base.form.Many2XSelectPopup = openerp.base.BaseWidget.extend({
     },
     start: function() {
         this._super();
-        this.dataset = new openerp.base.DataSetSearch(this.session, this.model);
+        if (!this.dataset) {
+            this.dataset = new openerp.base.DataSetSearch(this.session, this.model);
+        }
         this.setup_search_view();
     },
     setup_search_view: function() {
diff --git a/addons/base/static/src/js/m2o.js b/addons/base/static/src/js/m2o.js
index d2e369eb8ac..84eb3ea2036 100644
--- a/addons/base/static/src/js/m2o.js
+++ b/addons/base/static/src/js/m2o.js
@@ -55,7 +55,7 @@ openerp.base.m2o = function(openerp){
                     if (ui.item.id == 'more') {
                         self.dataset.ids = self.result_ids;
                         self.dataset.count = self.dataset.ids.length;
-                        self.dataset.domain = [];
+                        self.dataset.domain = self.result_ids.length ? [["id", "in", self.dataset.ids]] : []
                         self.element.val('');
                         var pop = new openerp.base.form.Many2XSelectPopup(null, self.session);
                         pop.select_element(self.relation, self.dataset);