diff --git a/addons/sale_project/views/sale_order_views.xml b/addons/sale_project/views/sale_order_views.xml
index 6d2fcf9afd8..614f1b43e83 100644
--- a/addons/sale_project/views/sale_order_views.xml
+++ b/addons/sale_project/views/sale_order_views.xml
@@ -5,17 +5,18 @@
         <field name="name">sale.order.form.sale.project</field>
         <field name="model">sale.order</field>
         <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="priority">10</field>
         <field name="arch" type="xml">
-            <xpath expr="//button[@name='action_view_invoice']" position="before">
-                <button type="object" name="action_view_task" class="oe_stat_button" icon="fa-tasks" attrs="{'invisible': [('tasks_count', '=', 0)]}" groups="project.group_project_user">
-                    <field name="tasks_count" widget="statinfo" string="Tasks"/>
-                </button>
+            <xpath expr="//button[@name='preview_sale_order']" position="before">
                 <button type="object" name="action_view_project_ids" class="oe_stat_button" icon="fa-puzzle-piece" attrs="{'invisible': ['|', ('project_ids', '=', []), ('project_overview', '=', True)]}" groups="project.group_project_manager">
                     <field name="project_ids" invisible="1"/>
                     <field name="project_overview" invisible="1"/>
                     <field name="project_count" widget="statinfo" string="Projects"/>
                 </button>
                 <button type="object" name="action_view_project_ids" class="oe_stat_button" icon="fa-puzzle-piece" string="Project Overview" attrs="{'invisible': ['|', ('project_ids', '=', []), ('project_overview', '=', False)]}" groups="project.group_project_manager"/>
+                <button type="object" name="action_view_task" class="oe_stat_button" icon="fa-tasks" attrs="{'invisible': [('tasks_count', '=', 0)]}" groups="project.group_project_user">
+                    <field name="tasks_count" widget="statinfo" string="Tasks"/>
+                </button>
             </xpath>
             <xpath expr="//field[@name='analytic_account_id']" position="after">
                 <field name="visible_project" invisible="1"/>