diff --git a/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs b/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs
index 82a6b94034..62ad2cd15e 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.Inventory.cs
@@ -1406,6 +1406,9 @@ namespace OpenSim.Region.Environment.Scenes
                     group.ResetIDs();
                     AddEntity(group);
 
+                    // Set the startup parameter for on_rez event and llGetStartParameter() function
+                    group.StartParameter = param;
+
                     // we set it's position in world.
                     group.AbsolutePosition = pos;
 
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
index 38447933b5..bc99aa4a81 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
@@ -30,6 +30,7 @@ using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
 using System.Xml;
+using System.Xml.Serialization;
 using Axiom.Math;
 using libsecondlife;
 using libsecondlife.Packets;
@@ -109,6 +110,7 @@ namespace OpenSim.Region.Environment.Scenes
         private bool m_scriptListens_atTarget = false;
         private bool m_scriptListens_notAtTarget = false;
 
+        private int m_startparameter = 0;
 
         #region Properties
 
@@ -121,6 +123,16 @@ namespace OpenSim.Region.Environment.Scenes
         /// </summary>
         protected bool m_isSelected = false;
 
+        /// <summary>
+        /// Set start parameter for on_rez event and llGetStartParameter()
+        /// </summary>
+        [XmlIgnore]
+        public int StartParameter
+        {
+            get { return m_startparameter; }
+            set { m_startparameter = value; }
+        }
+
         /// <summary>
         /// 
         /// </summary>
diff --git a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
index 61b577ecba..a0617885da 100644
--- a/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
+++ b/OpenSim/Region/ScriptEngine/Common/LSL_BuiltIn_Commands.cs
@@ -2202,8 +2202,8 @@ namespace OpenSim.Region.ScriptEngine.Common
         public LSL_Types.LSLInteger llGetStartParameter()
         {
             m_host.AddScriptLPS(1);
-            NotImplemented("llGetStartParameter");
-            return 0;
+            // NotImplemented("llGetStartParameter");
+            return m_host.ParentGroup.StartParameter;
         }
 
         public void llGodLikeRezObject(string inventory, LSL_Types.Vector3 pos)