diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 6da9f1bbe8d..9e5bae864ab 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -518,6 +518,11 @@ label.error {
 .openerp a.oe_secondary_submenu_item {
     padding: 0 5px 2px 10px;
 }
+.openerp a.oe_secondary_submenu_item,
+.openerp a.oe_secondary_menu_item {
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
 .openerp a.oe_secondary_submenu_item:hover,
 .openerp a.oe_secondary_submenu_item.leaf.active {
     display: block;