diff --git a/openerp/addons/base/module/module_view.xml b/openerp/addons/base/module/module_view.xml
index d9d71cf880d..523e992d535 100644
--- a/openerp/addons/base/module/module_view.xml
+++ b/openerp/addons/base/module/module_view.xml
@@ -121,8 +121,8 @@
             <field name="arch" type="xml">
                 <form string="Module" version="7.0">
                 <header>
-                    <button name="button_install" states="uninstalled" string="Install" icon="terp-gtk-jump-to-ltr" type="object" class="oe_form_button_hi"/>
-                    <button name="button_upgrade" states="installed" string="Upgrade" icon="terp-gtk-go-back-rtl" type="object" class="oe_form_button_hi"/>
+                    <button name="button_install" states="uninstalled" string="Install" icon="terp-gtk-jump-to-ltr" type="object" class="oe_highlight"/>
+                    <button name="button_upgrade" states="installed" string="Upgrade" icon="terp-gtk-go-back-rtl" type="object" class="oe_highlight"/>
                     <button name="button_uninstall" states="installed" string="Uninstall (beta)" icon="terp-dialog-close" type="object"
                         confirm="Do you confirm the uninstallation of this module? This will permanently erase all data currently stored by the module!"/>
                     <button name="button_uninstall_cancel" states="to remove" string="Cancel Uninstall" icon="gtk-cancel" type="object"/>