diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index abf858acfc2..912b8bb4de5 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -1032,6 +1032,7 @@ class PosOrderLine(models.Model):
     tax_ids = fields.Many2many('account.tax', string='Taxes', readonly=True)
     tax_ids_after_fiscal_position = fields.Many2many('account.tax', compute='_get_tax_ids_after_fiscal_position', string='Taxes to Apply')
     pack_lot_ids = fields.One2many('pos.pack.operation.lot', 'pos_order_line_id', string='Lot/serial Number')
+    product_uom_id = fields.Many2one('uom.uom', string='Product UoM', related='product_id.uom_id')
 
     @api.model
     def _prepare_refund_data(self, refund_order_id):
diff --git a/addons/point_of_sale/views/pos_order_view.xml b/addons/point_of_sale/views/pos_order_view.xml
index 0447244444d..21a4d9e3fbe 100644
--- a/addons/point_of_sale/views/pos_order_view.xml
+++ b/addons/point_of_sale/views/pos_order_view.xml
@@ -38,6 +38,7 @@
                             <tree string="Order lines" editable="bottom">
                                 <field name="product_id"/>
                                 <field name="qty"/>
+                                <field name="product_uom_id" string="UoM" groups="uom.group_uom"/>
                                 <field name="price_unit" widget="monetary"/>
                                 <field name="discount" string="Disc.%" widget="monetary"/>
                                 <field name="tax_ids_after_fiscal_position" widget="many2many_tags" string="Taxes"/>