diff --git a/addons/mrp/wizard/change_production_qty.py b/addons/mrp/wizard/change_production_qty.py
index 6df826cf557..351ff4f8fb0 100644
--- a/addons/mrp/wizard/change_production_qty.py
+++ b/addons/mrp/wizard/change_production_qty.py
@@ -33,14 +33,26 @@ class ChangeProductionQty(models.TransientModel):
         modification during production would not be taken into consideration.
         """
         modification = {}
+        push_moves = self.env['stock.move']
         for move in production.move_finished_ids:
             if move.state in ('done', 'cancel'):
                 continue
             qty = (new_qty - old_qty) * move.unit_factor
             modification[move] = (move.product_uom_qty + qty, move.product_uom_qty)
-            move.write({'product_uom_qty': move.product_uom_qty + qty})
+            if self._need_quantity_propagation(move, qty):
+                push_moves |= move.copy({'product_uom_qty': qty})
+            else:
+                move.write({'product_uom_qty': move.product_uom_qty + qty})
+
+        if push_moves:
+            push_moves._action_confirm()._action_assign()
+
         return modification
 
+    @api.model
+    def _need_quantity_propagation(self, move, qty):
+        return move.move_dest_ids and not float_is_zero(qty, precision_rounding=move.product_uom.rounding)
+
     def change_prod_qty(self):
         precision = self.env['decimal.precision'].precision_get('Product Unit of Measure')
         for wizard in self:
@@ -71,9 +83,7 @@ class ChangeProductionQty(models.TransientModel):
                         else:
                             documents[key] = [value]
             production._log_manufacture_exception(documents)
-            finished_moves_modification = self._update_finished_moves(production, new_production_qty - qty_produced, old_production_qty - qty_produced)
-            if finished_moves_modification:
-                production._log_downside_manufactured_quantity(finished_moves_modification)
+            self._update_finished_moves(production, new_production_qty - qty_produced, old_production_qty - qty_produced)
             production.write({'product_qty': new_production_qty})
 
             for wo in production.workorder_ids:
diff --git a/addons/mrp_subcontracting/wizard/__init__.py b/addons/mrp_subcontracting/wizard/__init__.py
index 351ddf0cac4..0594ad02b2a 100644
--- a/addons/mrp_subcontracting/wizard/__init__.py
+++ b/addons/mrp_subcontracting/wizard/__init__.py
@@ -3,3 +3,4 @@
 
 from . import stock_picking_return
 from . import mrp_consumption_warning
+from . import change_production_qty
diff --git a/addons/mrp_subcontracting/wizard/change_production_qty.py b/addons/mrp_subcontracting/wizard/change_production_qty.py
new file mode 100644
index 00000000000..4839db1cedb
--- /dev/null
+++ b/addons/mrp_subcontracting/wizard/change_production_qty.py
@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, models
+
+
+class ChangeProductionQty(models.TransientModel):
+    _inherit = 'change.production.qty'
+
+    @api.model
+    def _need_quantity_propagation(self, move, qty):
+        res = super()._need_quantity_propagation(move, qty)
+        return res and not any(m.is_subcontract for m in move.move_dest_ids)