diff --git a/src/TSMapEditor/Constants.cs b/src/TSMapEditor/Constants.cs
index 0b301675..5dc4bc37 100644
--- a/src/TSMapEditor/Constants.cs
+++ b/src/TSMapEditor/Constants.cs
@@ -5,7 +5,7 @@ namespace TSMapEditor
 {
     public static class Constants
     {
-        public const string ReleaseVersion = "1.3.7";
+        public const string ReleaseVersion = "1.3.8";
 
         public static int CellSizeX = 48;
         public static int CellSizeY = 24;
diff --git a/src/TSMapEditor/Models/Structure.cs b/src/TSMapEditor/Models/Structure.cs
index a35315d8..40864463 100644
--- a/src/TSMapEditor/Models/Structure.cs
+++ b/src/TSMapEditor/Models/Structure.cs
@@ -321,6 +321,8 @@ public override Structure Clone()
         {
             var clone = MemberwiseClone() as Structure;
 
+            clone.Upgrades = Upgrades.ToArray();
+
             clone.Anims = Anims.Select(anim => anim.Clone() as Animation).ToArray();
             foreach (var anim in clone.Anims)
                 anim.ParentBuilding = clone;