diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index a073862d29..ba248846f1 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -249,6 +249,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int ATTACH_HUD_BOTTOM_LEFT = 36;
         public const int ATTACH_HUD_BOTTOM = 37;
         public const int ATTACH_HUD_BOTTOM_RIGHT = 38;
+        public const int ATTACH_NECK = 39;
+        public const int ATTACH_AVATAR_CENTER = 40;
 
         #region osMessageAttachments constants