diff --git a/web_advanced_search_x2x/static/src/css/web_advanced_search_x2x.less b/web_advanced_search_x2x/static/src/css/web_advanced_search_x2x.less
index 008e4b561cc1..45c3b9d68f32 100644
--- a/web_advanced_search_x2x/static/src/css/web_advanced_search_x2x.less
+++ b/web_advanced_search_x2x/static/src/css/web_advanced_search_x2x.less
@@ -1,6 +1,6 @@
 .openerp {
     .oe-search-options {
-        .searchview_extended_prop_value {
+        .o_searchview_extended_prop_value {
             .oe_form {
                 .ui-autocomplete-input {
                     .form-control();
diff --git a/web_advanced_search_x2x/static/src/js/web_advanced_search_x2x.js b/web_advanced_search_x2x/static/src/js/web_advanced_search_x2x.js
index 0684aa164d24..69fa621c6236 100644
--- a/web_advanced_search_x2x/static/src/js/web_advanced_search_x2x.js
+++ b/web_advanced_search_x2x/static/src/js/web_advanced_search_x2x.js
@@ -143,7 +143,7 @@ odoo.define('web_advanced_search_x2x.search_filters', function (require) {
         },
         get_operator: function () {
             return !this.isDestroyed() &&
-                this.getParent().$('.searchview_extended_prop_op').val();
+                this.getParent().$('.o_searchview_extended_prop_op').val();
         },
         get_value: function () {
             try {
@@ -199,7 +199,7 @@ odoo.define('web_advanced_search_x2x.search_filters', function (require) {
             this.value._x2x_field && this.value._x2x_field.destroy();
             delete this.value._x2x_field;
             return this.value.appendTo(
-                this.$(".searchview_extended_prop_value").show().empty()
+                this.$(".o_searchview_extended_prop_value").show().empty()
             );
         },
     });