diff --git a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
index f16fd0146b..bf47f1f656 100644
--- a/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs
@@ -525,7 +525,7 @@ namespace OpenSim.Region.ScriptEngine.Shared
         }
 
         [Serializable]
-        public struct list
+        public class list
         {
             private object[] m_data;