diff --git a/CarCenter/CarCenterContracts/BindingModels/CarBindingModel.cs b/CarCenter/CarCenterContracts/BindingModels/CarBindingModel.cs
index 75886d6..3f1256d 100644
--- a/CarCenter/CarCenterContracts/BindingModels/CarBindingModel.cs
+++ b/CarCenter/CarCenterContracts/BindingModels/CarBindingModel.cs
@@ -12,7 +12,7 @@ namespace CarCenterContracts.BindingModels
 	{
 		public int Id { get; set; }
 		public int StorekeeperId { get; set; }
-		public int OrderId { get; set; }
+		public int? OrderId { get; set; }
 		public CarBrand CarBrand { get; set; } = CarBrand.Неизвестно;
 		public string Model { get; set; } = string.Empty;
 		public CarClass CarClass { get; set; } = CarClass.Неизвестно;