diff --git a/addons/base/static/openerp/base.css b/addons/base/static/openerp/base.css
index f84d76a0f07..316b0aa3902 100644
--- a/addons/base/static/openerp/base.css
+++ b/addons/base/static/openerp/base.css
@@ -157,6 +157,7 @@ body.openerp {
     padding: 0;
     border: none;
     background: none;
+    overflow: hidden;
 }
 .openerp .secondary_menu h3 {
     padding: 0 0 2px;