diff --git a/addons/mrp/models/stock_rule.py b/addons/mrp/models/stock_rule.py
index 01b66fda14c..cb8966f263a 100644
--- a/addons/mrp/models/stock_rule.py
+++ b/addons/mrp/models/stock_rule.py
@@ -84,6 +84,7 @@ class StockRule(models.Model):
             'bom_id': bom.id,
             'date_deadline': fields.Datetime.to_string(self._get_date_planned(product_id, company_id, values)),
             'date_planned_finished': values['date_planned'],
+            'date_planned_start': values['date_planned'] - relativedelta(hours=1),
             'procurement_group_id': False,
             'propagate_cancel': self.propagate_cancel,
             'propagate_date': self.propagate_date,
diff --git a/addons/mrp/tests/test_procurement.py b/addons/mrp/tests/test_procurement.py
index 1b4f711b856..789985930ed 100644
--- a/addons/mrp/tests/test_procurement.py
+++ b/addons/mrp/tests/test_procurement.py
@@ -194,5 +194,6 @@ class TestProcurement(TestMrpCommon):
 
         move_dest_scheduled_date = move_dest.date_expected
         mo.date_planned_start += timedelta(days=5)
-
-        self.assertAlmostEqual(move_dest.date_expected, move_dest_scheduled_date + timedelta(days=5), delta=timedelta(seconds=1), msg='date is not propagated')
+        # Adding 5 days to the date planned start makes the next move's date 4 days and 23 hours
+        # later since the date planned start was set one hour before the date_planned_end.
+        self.assertAlmostEqual(move_dest.date_expected, move_dest_scheduled_date + timedelta(days=4, hours=23), delta=timedelta(seconds=1), msg='date is not propagated')