diff --git a/addons/point_of_sale/models/pos_config.py b/addons/point_of_sale/models/pos_config.py
index f925942d50b..7491fc978e4 100644
--- a/addons/point_of_sale/models/pos_config.py
+++ b/addons/point_of_sale/models/pos_config.py
@@ -150,7 +150,7 @@ class PosConfig(models.Model):
     proxy_ip = fields.Char(string='IP Address', size=45,
         help='The hostname or ip address of the hardware proxy, Will be autodetected if left empty.')
     active = fields.Boolean(default=True)
-    uuid = fields.Char(readonly=True, default=lambda self: str(uuid4()),
+    uuid = fields.Char(readonly=True, default=lambda self: str(uuid4()), copy=False,
         help='A globally unique identifier for this pos configuration, used to prevent conflicts in client-generated data.')
     sequence_id = fields.Many2one('ir.sequence', string='Order IDs Sequence', readonly=True,
         help="This sequence is automatically created by Odoo but you can change it "