diff --git a/addons/mrp_account/models/__init__.py b/addons/mrp_account/models/__init__.py
index 33ff5e20d93..90c1c962e22 100644
--- a/addons/mrp_account/models/__init__.py
+++ b/addons/mrp_account/models/__init__.py
@@ -5,6 +5,7 @@ from . import mrp_bom
 from . import mrp_workcenter
 from . import mrp_workorder
 from . import mrp_production
+from . import mrp_routing
 from . import product
 from . import stock_move
 from . import stock_rule
diff --git a/addons/mrp_account/models/mrp_routing.py b/addons/mrp_account/models/mrp_routing.py
new file mode 100644
index 00000000000..f36d70eac02
--- /dev/null
+++ b/addons/mrp_account/models/mrp_routing.py
@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import models
+
+
+class MrpRoutingWorkcenter(models.Model):
+    _inherit = 'mrp.routing.workcenter'
+
+    def _total_cost_per_hour(self):
+        self.ensure_one()
+        return self.workcenter_id.costs_hour
diff --git a/addons/mrp_account/models/product.py b/addons/mrp_account/models/product.py
index 06471524d8c..e10272b02c9 100644
--- a/addons/mrp_account/models/product.py
+++ b/addons/mrp_account/models/product.py
@@ -80,7 +80,7 @@ class ProductProduct(models.Model):
                 opt.workcenter_id.time_start +
                 opt.workcenter_id.time_stop +
                 opt.time_cycle * 100 / opt.workcenter_id.time_efficiency)
-            total += (duration_expected / 60) * opt.workcenter_id.costs_hour
+            total += (duration_expected / 60) * opt._total_cost_per_hour()
 
         for line in bom.bom_line_ids:
             if line._skip_bom_line(self):
diff --git a/addons/mrp_account/tests/test_bom_price.py b/addons/mrp_account/tests/test_bom_price.py
index 8ea43a4ac4a..5d407b0d635 100644
--- a/addons/mrp_account/tests/test_bom_price.py
+++ b/addons/mrp_account/tests/test_bom_price.py
@@ -6,7 +6,7 @@ from odoo.tests import common, Form
 from odoo.tools.float_utils import float_round, float_compare
 
 
-class TestBomPrice(common.TransactionCase):
+class TestBomPriceCommon(common.TransactionCase):
 
     @classmethod
     def _create_product(cls, name, price):
@@ -101,6 +101,8 @@ class TestBomPrice(common.TransactionCase):
             line.product_qty = 57
         cls.bom_2 = bom_form2.save()
 
+
+class TestBomPrice(TestBomPriceCommon):
     def test_00_compute_price(self):
         """Test multi-level BoM cost"""
         self.assertEqual(self.dining_table.standard_price, 1000, "Initial price of the Product should be 1000")
diff --git a/addons/mrp_subcontracting_account/tests/test_subcontracting_account.py b/addons/mrp_subcontracting_account/tests/test_subcontracting_account.py
index cf7955b474c..7e62091595e 100644
--- a/addons/mrp_subcontracting_account/tests/test_subcontracting_account.py
+++ b/addons/mrp_subcontracting_account/tests/test_subcontracting_account.py
@@ -6,7 +6,7 @@ from odoo.tests.common import Form
 from odoo.tools.float_utils import float_round, float_compare
 
 from odoo.addons.mrp_subcontracting.tests.common import TestMrpSubcontractingCommon
-from odoo.addons.mrp_account.tests.test_bom_price import TestBomPrice
+from odoo.addons.mrp_account.tests.test_bom_price import TestBomPriceCommon
 
 class TestAccountSubcontractingFlows(TestMrpSubcontractingCommon):
     def test_subcontracting_account_flow_1(self):
@@ -212,7 +212,7 @@ class TestAccountSubcontractingFlows(TestMrpSubcontractingCommon):
         ])
 
 
-class TestBomPriceSubcontracting(TestBomPrice):
+class TestBomPriceSubcontracting(TestBomPriceCommon):
 
     def test_01_compute_price_subcontracting_cost(self):
         """Test calculation of bom cost with subcontracting."""