diff --git a/addons/stock_landed_costs/i18n/stock_landed_costs.pot b/addons/stock_landed_costs/i18n/stock_landed_costs.pot
index 7a3bad085a3..96169c5391b 100644
--- a/addons/stock_landed_costs/i18n/stock_landed_costs.pot
+++ b/addons/stock_landed_costs/i18n/stock_landed_costs.pot
@@ -756,3 +756,11 @@ msgid ""
 "applied for products with automated inventory valuation and FIFO or average "
 "costing method."
 msgstr ""
+
+#. module: stock_landed_costs
+#: code:addons/stock_landed_costs/models/product.py:0
+#, python-format
+msgid ""
+"You cannot change the product type or disable landed cost option because the"
+" product is used in an account move line."
+msgstr ""
diff --git a/addons/stock_landed_costs/models/product.py b/addons/stock_landed_costs/models/product.py
index 4318955cc71..52cec5828c8 100644
--- a/addons/stock_landed_costs/models/product.py
+++ b/addons/stock_landed_costs/models/product.py
@@ -1,8 +1,9 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo import fields, models
+from odoo import fields, models, _
 from odoo.addons.stock_landed_costs.models.stock_landed_cost import SPLIT_METHOD
+from odoo.exceptions import UserError
 
 
 class ProductTemplate(models.Model):
@@ -11,3 +12,12 @@ class ProductTemplate(models.Model):
     landed_cost_ok = fields.Boolean('Is a Landed Cost', help='Indicates whether the product is a landed cost.')
     split_method_landed_cost = fields.Selection(SPLIT_METHOD, string="Default Split Method",
                                                 help="Default Split Method when used for Landed Cost")
+
+    def write(self, vals):
+        for product in self:
+            if (('type' in vals and vals['type'] != 'service') or ('landed_cost_ok' in vals and not vals['landed_cost_ok'])) and product.type == 'service' and product.landed_cost_ok:
+                if self.env['account.move.line'].search_count([('product_id', 'in', product.product_variant_ids.ids), ('is_landed_costs_line', '=', True)]):
+                    raise UserError(_("You cannot change the product type or disable landed cost option because the product is used in an account move line."))
+                else:
+                    vals['landed_cost_ok'] = False
+            super(ProductTemplate, product).write(vals)