diff --git a/Lab2/src/Form/CreateLawnmower.xaml.cs b/Lab2/src/Form/CreateLawnmower.xaml.cs
index 7654b62..c3f6f36 100644
--- a/Lab2/src/Form/CreateLawnmower.xaml.cs
+++ b/Lab2/src/Form/CreateLawnmower.xaml.cs
@@ -20,7 +20,7 @@ namespace Lab2
     /// <summary>
     /// Газонокосилка для редактирования
     /// </summary>
-    private Lawnmower _lawnmower;
+    private readonly Lawnmower _lawnmower;
 
     /// <summary>
     /// Конструктор