diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index ff474528814..56acb939b7d 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -791,7 +791,7 @@ openerp.web.Menu =  openerp.web.Widget.extend(/** @lends openerp.web.Menu# */{
             if ($clicked_menu.is('.submenu')) {
                 $sub_menu.find('.submenu.opened').each(function() {
                     if (!$(this).next().has($clicked_menu).length && !$(this).is($clicked_menu)) {
-                        $(this).removeClass('opened').next().hide();
+                        $(this).removeClass('opened');
                     }
                 });
                 $clicked_menu.toggleClass('opened').next().toggle();
diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index 29618c90bdc..c9c3bb65857 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -364,7 +364,7 @@
         t-att-data-menu="menu.children.length ? undefined : menu.id">
         <span t-attf-style="padding-left: #{(level - 2) * 20}px"> <t t-esc="menu.name"/></span>
     </a>
-    <div t-attf-class="oe_secondary_submenu" t-if="menu.children.length" t-att-style="menu_first and level == 1 ? undefined : 'display: none'">
+    <div t-attf-class="oe_secondary_submenu" t-if="menu.children.length" t-att-style="level == 1 ? undefined : 'display: none'">
         <t t-foreach="menu.children" t-as="menu">
             <t t-set="classname" t-translation="off">oe_secondary_submenu_item</t>
             <t t-call="Menu.secondary.children"/>