diff --git a/myproject/inventory/migrations/0011_add_writeoff_status_to_reservation.py b/myproject/inventory/migrations/0011_add_writeoff_status_to_reservation.py
new file mode 100644
index 0000000..c69845d
--- /dev/null
+++ b/myproject/inventory/migrations/0011_add_writeoff_status_to_reservation.py
@@ -0,0 +1,23 @@
+# Generated by Django 5.0.10 on 2025-12-11 18:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inventory', '0010_writeoff_document'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='reservation',
+            name='converted_at',
+            field=models.DateTimeField(blank=True, help_text='Дата преобразования в продажу или списание', null=True, verbose_name='Дата преобразования'),
+        ),
+        migrations.AlterField(
+            model_name='reservation',
+            name='status',
+            field=models.CharField(choices=[('reserved', 'Зарезервирован'), ('released', 'Освобожден'), ('converted_to_sale', 'Преобразован в продажу'), ('converted_to_writeoff', 'Преобразован в списание')], default='reserved', max_length=25, verbose_name='Статус'),
+        ),
+    ]
diff --git a/myproject/inventory/models.py b/myproject/inventory/models.py
index 343f739..00fcbdb 100644
--- a/myproject/inventory/models.py
+++ b/myproject/inventory/models.py
@@ -404,6 +404,7 @@ class Reservation(models.Model):
         ('reserved', 'Зарезервирован'),
         ('released', 'Освобожден'),
         ('converted_to_sale', 'Преобразован в продажу'),
+        ('converted_to_writeoff', 'Преобразован в списание'),
     ]
 
     order_item = models.ForeignKey('orders.OrderItem', on_delete=models.CASCADE,
@@ -422,12 +423,13 @@ class Reservation(models.Model):
     warehouse = models.ForeignKey(Warehouse, on_delete=models.CASCADE,
                                  related_name='reservations', verbose_name="Склад")
     quantity = models.DecimalField(max_digits=10, decimal_places=3, verbose_name="Количество")
-    status = models.CharField(max_length=20, choices=STATUS_CHOICES,
+    status = models.CharField(max_length=25, choices=STATUS_CHOICES,
                              default='reserved', verbose_name="Статус")
     reserved_at = models.DateTimeField(auto_now_add=True, verbose_name="Дата резервирования")
     released_at = models.DateTimeField(null=True, blank=True, verbose_name="Дата освобождения")
     converted_at = models.DateTimeField(null=True, blank=True,
-                                       verbose_name="Дата преобразования в продажу")
+                                       verbose_name="Дата преобразования",
+                                       help_text="Дата преобразования в продажу или списание")
 
     # Soft Lock для корзины POS (витринные комплекты)
     cart_lock_expires_at = models.DateTimeField(
diff --git a/myproject/inventory/services/writeoff_document_service.py b/myproject/inventory/services/writeoff_document_service.py
index 35555f1..201fc6e 100644
--- a/myproject/inventory/services/writeoff_document_service.py
+++ b/myproject/inventory/services/writeoff_document_service.py
@@ -281,9 +281,9 @@ class WriteOffDocumentService:
                     f"Не хватает: {remaining}"
                 )
 
-            # Обновляем резерв
+            # Обновляем резерв - помечаем как преобразованный в списание
             if item.reservation:
-                item.reservation.status = 'converted_to_sale'
+                item.reservation.status = 'converted_to_writeoff'
                 item.reservation.converted_at = timezone.now()
                 item.reservation.save(update_fields=['status', 'converted_at'])