diff --git a/addons/stock_dropshipping/models/sale.py b/addons/stock_dropshipping/models/sale.py
index 7ec1457ed56..c5a685218cb 100644
--- a/addons/stock_dropshipping/models/sale.py
+++ b/addons/stock_dropshipping/models/sale.py
@@ -49,3 +49,11 @@ class SaleOrderLine(models.Model):
             return qty
         else:
             return super(SaleOrderLine, self)._get_qty_procurement(previous_product_uom_qty=previous_product_uom_qty)
+
+    @api.depends('purchase_line_count')
+    def _compute_product_updatable(self):
+        super()._compute_product_updatable()
+        if self.env.user.has_group('purchase.group_purchase_user'):
+            for line in self:
+                if line.purchase_line_count > 0:
+                    line.product_updatable = False
diff --git a/addons/stock_dropshipping/views/sale_order_views.xml b/addons/stock_dropshipping/views/sale_order_views.xml
index 0c1cf93bdaa..a899cb7482f 100644
--- a/addons/stock_dropshipping/views/sale_order_views.xml
+++ b/addons/stock_dropshipping/views/sale_order_views.xml
@@ -5,28 +5,17 @@
             <field name="name">sale.order.form.sale.dropshipping</field>
             <field name="model">sale.order</field>
             <field name="inherit_id" ref="sale.view_order_form"/>
-            <field name="groups_id" eval="[(4, ref('purchase.group_purchase_user'))]"/>
             <field name="arch" type="xml">
-                <xpath expr="//page/field[@name='order_line']/form//field[@name='product_updatable']" position="after">
-                    <field name="purchase_line_count" invisible="1"/>
-                </xpath>
-                <xpath expr="//page/field[@name='order_line']/form//field[@name='product_id']" position="attributes">
-                   <attribute name="attrs">{'readonly': ['|', ('product_updatable', '=', False), ('purchase_line_count', '&gt;', 0)], 'required': [('display_type', '=', False)],}</attribute>
-                </xpath>
-                <xpath expr="//page/field[@name='order_line']/tree/field[@name='product_updatable']" position="after">
-                    <field name="purchase_line_count" invisible="1"/>
-                </xpath>
-                <xpath expr="//page/field[@name='order_line']/tree/field[@name='product_id']" position="attributes">
-                    <attribute name="attrs">{'readonly': ['|', ('product_updatable', '=', False), ('purchase_line_count', '&gt;', 0)], 'required': [('display_type', '=', False)],}</attribute>
-                </xpath>
                 <xpath expr="//button[@name='action_view_delivery']" position="before">
-                    <button type="object"
-                        name="action_view_dropship"
-                        class="oe_stat_button"
-                        icon="fa-truck"
-                        attrs="{'invisible': [('dropship_picking_count', '=', 0)]}" groups="stock.group_stock_user">
-                        <field name="dropship_picking_count" widget="statinfo" string="Dropship"/>
-                    </button>
+                    <t groups="purchase.group_purchase_user">
+                        <button type="object"
+                            name="action_view_dropship"
+                            class="oe_stat_button"
+                            icon="fa-truck"
+                            attrs="{'invisible': [('dropship_picking_count', '=', 0)]}" groups="stock.group_stock_user">
+                            <field name="dropship_picking_count" widget="statinfo" string="Dropship"/>
+                        </button>
+                    </t>
                 </xpath>
            </field>
         </record>