diff --git a/Trolleybus/Trolleybus/MapWithSetTrolleybusGeneric.cs b/Trolleybus/Trolleybus/MapWithSetTrolleybusGeneric.cs
index 9512a3f..5b289b9 100644
--- a/Trolleybus/Trolleybus/MapWithSetTrolleybusGeneric.cs
+++ b/Trolleybus/Trolleybus/MapWithSetTrolleybusGeneric.cs
@@ -8,7 +8,7 @@ using System.Drawing;
 namespace Trolleybus
 {
     internal class MapWithSetTrolleybusGeneric<T, U>
-        where T : class, IDrawningObject
+        where T : class, IDrawningObject, IEquatable<T>
         where U : AbstractMap
     {
         /// <summary>
diff --git a/Trolleybus/Trolleybus/SetTrolleybusGeneric.cs b/Trolleybus/Trolleybus/SetTrolleybusGeneric.cs
index 098b1be..4583421 100644
--- a/Trolleybus/Trolleybus/SetTrolleybusGeneric.cs
+++ b/Trolleybus/Trolleybus/SetTrolleybusGeneric.cs
@@ -8,7 +8,7 @@ namespace Trolleybus
 {
     // Параметризованный набор объектов
     internal class SetTrolleybusGeneric<T>
-        where T : class
+        where T : class, IEquatable<T>
     {
         // Массив объектов, которые храним
         private readonly List<T> _places;