diff --git a/sale_order_add_bom/mrp_bom.py b/sale_order_add_bom/mrp_bom.py
index 90ebce4..527216f 100644
--- a/sale_order_add_bom/mrp_bom.py
+++ b/sale_order_add_bom/mrp_bom.py
@@ -9,4 +9,4 @@ class MrpBom(models.Model):
     _inherit = 'mrp.bom'
     _rec_name = 'product_id'
 
-    sale_ok = fields.Boolean(related='product_id.sale_ok', store=True, related_sudo=True)
+    sale_ok = fields.Boolean(related='product_id.sale_ok', store=True, compute_sudo=True)