diff --git a/sf_manufacturing/models/stock.py b/sf_manufacturing/models/stock.py
index 6c70c245..48907a82 100644
--- a/sf_manufacturing/models/stock.py
+++ b/sf_manufacturing/models/stock.py
@@ -611,6 +611,7 @@ class StockPicking(models.Model):
                             sale_info = production_list[0].sale_order_id
                     if sale_info:
                         item.sale_order_id = sale_info.id
+                        item.retrospect_ref = sale_info.order_code
                         if item.picking_type_id.sequence_code == 'DL':
                             item.person_of_delivery = sale_info.person_of_delivery
                             item.telephone_of_delivery = sale_info.telephone_of_delivery
diff --git a/sf_manufacturing/views/stock_picking_view.xml b/sf_manufacturing/views/stock_picking_view.xml
index 8b6fc571..6c268b82 100644
--- a/sf_manufacturing/views/stock_picking_view.xml
+++ b/sf_manufacturing/views/stock_picking_view.xml
@@ -17,6 +17,9 @@
             <field name="model">stock.picking</field>
             <field name="inherit_id" ref="stock.view_picking_form"/>
             <field name="arch" type="xml">
+                <xpath expr="//field[@name='backorder_id']" position="after">
+                    <field name="retrospect_ref"/>
+                </xpath>
                 <xpath expr="//field[@name='origin']" position="after">
                     <field name="sale_order_id"/>
                 </xpath>