diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index bed4a159535..01bfb63a580 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -146,8 +146,8 @@ instance.web.Dialog = instance.web.Widget.extend({
             this.$buttons = $('<div class="ui-dialog-buttonpane ui-widget-content ui-helper-clearfix" />');
             this.$el.dialog("widget").append(this.$buttons);
         }
-        var res = this.start();
         this.dialog_inited = true;
+        var res = this.start();
         return res;
     },
     close: function() {
diff --git a/addons/web/static/src/js/data_export.js b/addons/web/static/src/js/data_export.js
index 29aea6362f7..1353f59d4a5 100644
--- a/addons/web/static/src/js/data_export.js
+++ b/addons/web/static/src/js/data_export.js
@@ -5,7 +5,15 @@ instance.web.DataExport = instance.web.Dialog.extend({
     template: 'ExportTreeView',
     dialog_title: {toString: function () { return _t("Export Data"); }},
     init: function(parent, dataset) {
-        this._super(parent);
+        var self = this;
+        options = {
+            buttons : [
+                {text: _t("Close"), click: function() { self.close(); }},
+                {text: _t("Export To File"), click: function() { self.on_click_export_data(); }}
+            ],
+            close: function(event, ui){ self.close();}
+        }
+        this._super(parent, options);
         this.records = {};
         this.dataset = dataset;
         this.exports = new instance.web.DataSetSearch(
@@ -14,13 +22,7 @@ instance.web.DataExport = instance.web.Dialog.extend({
     start: function() {
         var self = this;
         this._super.apply(this, arguments);
-        this.open({
-            buttons : [
-                {text: _t("Close"), click: function() { self.close(); }},
-                {text: _t("Export To File"), click: function() { self.on_click_export_data(); }}
-            ],
-            close: function(event, ui){ self.close();}
-        });
+        this.open();
         self.$el.removeClass('ui-dialog-content ui-widget-content');
         self.$el.find('#add_field').click(function() {
             if ($('#field-tree-structure tr.ui-selected')) {