diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index b8ee62c3749..05f52dd36d2 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -41,7 +41,7 @@ openerp.web.Dialog = openerp.web.Widget.extend(/** @lends openerp.web.Dialog# */
     identifier_prefix: 'dialog',
     /**
      * @constructs openerp.web.Dialog
-     * @extends openerp.web.OldWidget
+     * @extends openerp.web.Widget
      *
      * @param parent
      * @param options
diff --git a/addons/web/static/src/js/search.js b/addons/web/static/src/js/search.js
index cf16843aed7..1a926cb0f05 100644
--- a/addons/web/static/src/js/search.js
+++ b/addons/web/static/src/js/search.js
@@ -1038,7 +1038,7 @@ openerp.web.search.ManyToOneField = openerp.web.search.CharField.extend({
     }
 });
 
-openerp.web.search.ExtendedSearch = openerp.web.OldWidget.extend({
+openerp.web.search.ExtendedSearch = openerp.web.search.Widget.extend({
     template: 'SearchView.extended_search',
     identifier_prefix: 'extended-search',
     init: function (parent, model) {
@@ -1051,7 +1051,7 @@ openerp.web.search.ExtendedSearch = openerp.web.OldWidget.extend({
         this.check_last_element();
     },
     start: function () {
-        this.$element = $("#" + this.element_id);
+        this._super();
         this.$element.closest("table.oe-searchview-render-line").css("display", "none");
         var self = this;
         this.rpc("/web/searchview/fields_get",
@@ -1105,7 +1105,7 @@ openerp.web.search.ExtendedSearch = openerp.web.OldWidget.extend({
     }
 });
 
-openerp.web.search.ExtendedSearchGroup = openerp.web.OldWidget.extend({
+openerp.web.search.ExtendedSearchGroup = openerp.web.Widget.extend({
     template: 'SearchView.extended_search.group',
     identifier_prefix: 'extended-search-group',
     init: function (parent, fields) {
@@ -1119,7 +1119,6 @@ openerp.web.search.ExtendedSearchGroup = openerp.web.OldWidget.extend({
         prop.start();
     },
     start: function () {
-        this.$element = $("#" + this.element_id);
         var _this = this;
         this.add_prop();
         this.$element.find('.searchview_extended_add_proposition').click(function () {
@@ -1151,12 +1150,12 @@ openerp.web.search.ExtendedSearchGroup = openerp.web.OldWidget.extend({
     }
 });
 
-openerp.web.search.ExtendedSearchProposition = openerp.web.OldWidget.extend(/** @lends openerp.web.search.ExtendedSearchProposition# */{
+openerp.web.search.ExtendedSearchProposition = openerp.web.Widget.extend(/** @lends openerp.web.search.ExtendedSearchProposition# */{
     template: 'SearchView.extended_search.proposition',
     identifier_prefix: 'extended-search-proposition',
     /**
      * @constructs openerp.web.search.ExtendedSearchProposition
-     * @extends openerp.web.OldWidget
+     * @extends openerp.web.Widget
      *
      * @param parent
      * @param fields
@@ -1247,7 +1246,7 @@ openerp.web.search.ExtendedSearchProposition = openerp.web.OldWidget.extend(/**
     }
 });
 
-openerp.web.search.ExtendedSearchProposition.Field = openerp.web.OldWidget.extend({
+openerp.web.search.ExtendedSearchProposition.Field = openerp.web.Widget.extend({
     start: function () {
         this.$element = $("#" + this.element_id);
     }
diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index 5013f6423a4..860c26db4f0 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -1331,7 +1331,7 @@
     </t>
 </t>
 <t t-name="SearchView.extended_search.group">
-    <div t-att-id="element_id" class="searchview_extended_group">
+    <div t-att-id="widget.element_id" class="searchview_extended_group">
         <select class="searchview_extended_group_choice">
             <option value="any">Any of the following conditions must match</option>
             <option value="all">All the following conditions must match</option>
@@ -1347,11 +1347,11 @@
     </div>
 </t>
 <t t-name="SearchView.extended_search.proposition">
-    <div t-att-id="element_id">
+    <div t-att-id="widget.element_id">
         <select class="searchview_extended_prop_field">
-            <t t-foreach="attrs.fields" t-as="field">
+            <t t-foreach="widget.attrs.fields" t-as="field">
                 <option t-if="typeof field.store === 'undefined' || field.store || field.fnct_search"
-                        t-att="{'selected': field === attrs.selected ? 'selected' : null}"
+                        t-att="{'selected': field === widget.attrs.selected ? 'selected' : null}"
                         t-att-value="field.name">
                     <t t-esc="field.string"/>
                 </option>
@@ -1364,16 +1364,16 @@
     </div>
 </t>
 <t t-name="SearchView.extended_search.proposition.char">
-    <input t-att-id="element_id" class="field_char"/>
+    <input t-att-id="widget.element_id" class="field_char"/>
 </t>
 <t t-name="SearchView.extended_search.proposition.empty">
-    <span t-att-id="element_id"></span>
+    <span t-att-id="widget.element_id"></span>
 </t>
 <t t-name="SearchView.extended_search.proposition.integer">
-    <input type="number" t-att-id="element_id" class="field_integer" step="1"/>
+    <input type="number" t-att-id="widget.element_id" class="field_integer" step="1"/>
 </t>
 <t t-name="SearchView.extended_search.proposition.float">
-    <input type="number" t-att-id="element_id" class="field_float" step="0.01"/>
+    <input type="number" t-att-id="widget.element_id" class="field_float" step="0.01"/>
 </t>
 <t t-name="SearchView.extended_search.proposition.boolean">
 </t>