diff --git a/modules/production/stock.py b/modules/production/stock.py
index 5700f1bfe8..5d45926ae5 100644
--- a/modules/production/stock.py
+++ b/modules/production/stock.py
@@ -157,6 +157,10 @@ class Move(metaclass=PoolMeta):
             ('production_output' + nested, operator, operand, *extra),
             ]
 
+    @classmethod
+    def default_production_cost_price_updated(cls):
+        return False
+
     def set_effective_date(self):
         if not self.effective_date and self.production_input:
             self.effective_date = self.production_input.effective_start_date
@@ -175,6 +179,14 @@ class Move(metaclass=PoolMeta):
     def _rec_name_origin(self):
         return super()._rec_name_origin() or self.production
 
+    @classmethod
+    def copy(cls, moves, default=None):
+        default = default.copy() if default is not None else {}
+        default.setdefault(
+            'production_cost_price_updated',
+            cls.default_production_cost_price_updated())
+        return super().copy(moves, default=default)
+
 
 class ProductQuantitiesByWarehouseMove(metaclass=PoolMeta):
     __name__ = 'stock.product_quantities_warehouse.move'
diff --git a/modules/stock/move.py b/modules/stock/move.py
index b5e3ea7473..f38ffd6708 100644
--- a/modules/stock/move.py
+++ b/modules/stock/move.py
@@ -1035,6 +1035,8 @@ class Move(Workflow, ModelSQL, ModelView):
         default.setdefault('internal_quantity', 0)
         default.setdefault('cost_price')
         default.setdefault('outcome_moves', None)
+        default.setdefault(
+            'unit_price_updated', cls.default_unit_price_updated())
         return super().copy(moves, default=default)
 
     def compute_fields(self, field_names=None):
diff --git a/modules/stock_conversion/stock.py b/modules/stock_conversion/stock.py
index 9f3ca560e1..71510ff0bd 100644
--- a/modules/stock_conversion/stock.py
+++ b/modules/stock_conversion/stock.py
@@ -601,6 +601,10 @@ class Move(metaclass=PoolMeta):
         super().__setup__()
         cls._allow_modify_closed_period.add('conversion_cost_price_updated')
 
+    @classmethod
+    def default_conversion_cost_price_updated(cls):
+        return False
+
     @classmethod
     def _get_origin(cls):
         return [*super()._get_origin(), 'stock.conversion']
@@ -616,3 +620,11 @@ class Move(metaclass=PoolMeta):
                     if m.state == 'done'
                     and isinstance(m.origin, Conversion)],
                 {'conversion_cost_price_updated': True})
+
+    @classmethod
+    def copy(cls, moves, default=None):
+        default = default.copy() if default is not None else {}
+        default.setdefault(
+            'conversion_cost_price_updated',
+            cls.default_conversion_cost_price_updated())
+        return super().copy(moves, default=default)