diff --git a/addons/mrp/models/stock_rule.py b/addons/mrp/models/stock_rule.py
index f6aef3a9456..cadff6c8b2f 100644
--- a/addons/mrp/models/stock_rule.py
+++ b/addons/mrp/models/stock_rule.py
@@ -97,7 +97,11 @@ class StockRule(models.Model):
                 # Create now the procurement group that will be assigned to the new MO
                 # This ensure that the outgoing move PostProduction -> Stock is linked to its MO
                 # rather than the original record (MO or SO)
-                procurement.values['group_id'] = self.env["procurement.group"].create({'name': name})
+                group = procurement.values.get('group_id')
+                if group:
+                    procurement.values['group_id'] = group.copy({'name': name})
+                else:
+                    procurement.values['group_id'] = self.env["procurement.group"].create({'name': name})
         return super()._run_pull(procurements)
 
     def _get_custom_move_fields(self):
diff --git a/addons/sale_mrp/tests/test_multistep_manufacturing.py b/addons/sale_mrp/tests/test_multistep_manufacturing.py
index 3eb709cdc33..e9d4b2af209 100644
--- a/addons/sale_mrp/tests/test_multistep_manufacturing.py
+++ b/addons/sale_mrp/tests/test_multistep_manufacturing.py
@@ -133,3 +133,20 @@ class TestMultistepManufacturing(TestMrpCommon):
         exception = self.env['mail.activity'].search([('res_model', '=', 'mrp.production'),
                                                       ('res_id', '=', manufaturing_from_so.id)])
         self.assertEqual(len(exception.ids), 1, 'When user cancelled child manufacturing, exception must be generated on parent manufacturing.')
+
+    def test_manufacturing_step_three(self):
+        """ Testing for Step-3 """
+        with Form(self.warehouse) as warehouse:
+            warehouse.manufacture_steps = 'pbm_sam'
+        self.sale_order.action_confirm()
+
+        mo = self.env['mrp.production'].search([
+            ('origin', '=', self.sale_order.name),
+            ('product_id', '=', self.product_manu.id),
+        ])
+
+        self.assertEqual(self.sale_order.mrp_production_count, 1)
+        self.assertEqual(mo.sale_order_count, 1)
+
+        self.assertEqual(self.sale_order.action_view_mrp_production()['res_id'], mo.id)
+        self.assertEqual(mo.action_view_sale_orders()['res_id'], self.sale_order.id)