diff --git a/addons/account/account_invoice_view.xml b/addons/account/account_invoice_view.xml
index 0f12001193d..ee8393d13d8 100644
--- a/addons/account/account_invoice_view.xml
+++ b/addons/account/account_invoice_view.xml
@@ -297,7 +297,7 @@
                                 </field>
                             </group>
                             <group col="4" colspan="2">
-                                <button colspan="2" name="button_reset_taxes" states="draft" string="Compute Taxes" type="object" groups="base.group_user" icon="terp-stock_format-scientific" help="This action will erase taxes"/>
+                                <button colspan="2" name="button_reset_taxes" states="draft,proforma2" string="Compute Taxes" type="object" groups="base.group_user" icon="terp-stock_format-scientific" help="This action will erase taxes"/>
                                 <field name="amount_untaxed"/>
                                 <label string="" colspan="2"/>
                                 <field name="amount_tax"/>