diff --git a/addons/point_of_sale/point_of_sale_view.xml b/addons/point_of_sale/point_of_sale_view.xml
index be2ef10d227..c602ea9ee4b 100644
--- a/addons/point_of_sale/point_of_sale_view.xml
+++ b/addons/point_of_sale/point_of_sale_view.xml
@@ -772,6 +772,9 @@
             <field name="arch" type="xml">
                 <form string="Point of Sale Session">
                     <header>
+                        <button name="open" type="workflow" string="Open Session"
+                                attrs="{'invisible' : ['|', ('cash_control', '=', False), ('state', '!=', 'opening_control')]}"
+                                class="oe_highlight"/>
                         <button name="open_frontend_cb" type="object" string="Continue Selling" states="opened"
                             class="oe_highlight"/>
                         <button name="cashbox_control" type="workflow" string="End of Session"