diff --git a/Example/Resources/Vehicles/Vehicle.cs b/Example/Resources/Vehicles/Vehicle.cs
index dcd42ad..51aa332 100644
--- a/Example/Resources/Vehicles/Vehicle.cs
+++ b/Example/Resources/Vehicles/Vehicle.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using Example.Resources.Parts;
 using Example.Resources.Parts.Unit;