diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index de071314e6..6daa109598 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2707,6 +2707,7 @@ namespace OpenSim.Region.Framework.Scenes
             detobj.velVector = obj.Velocity;
             detobj.colliderType = 0;
             detobj.groupUUID = obj.GroupID;
+            detobj.linkNumber = LinkNum; // pass my link number
 
             return detobj;
         }
@@ -2722,6 +2723,7 @@ namespace OpenSim.Region.Framework.Scenes
             detobj.velVector = av.Velocity;
             detobj.colliderType = 0;
             detobj.groupUUID = av.ControllingClient.ActiveGroupId;
+            detobj.linkNumber = LinkNum; // pass my link number
 
             return detobj;
         }
@@ -2737,6 +2739,7 @@ namespace OpenSim.Region.Framework.Scenes
             detobj.velVector = Vector3.Zero;
             detobj.colliderType = 0;
             detobj.groupUUID = UUID.Zero;
+            detobj.linkNumber = LinkNum; // pass my link number not sure needed.. but no harm
 
             return detobj;
         }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 9c55d4a68f..b19d20d351 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -5586,6 +5586,7 @@ namespace OpenSim.Region.Framework.Scenes
             detobj.velVector = obj.Velocity;
             detobj.colliderType = 0;
             detobj.groupUUID = obj.GroupID;
+            detobj.linkNumber = 0;
 
             return detobj;
         }
@@ -5601,6 +5602,7 @@ namespace OpenSim.Region.Framework.Scenes
             detobj.velVector = av.Velocity;
             detobj.colliderType = 0;
             detobj.groupUUID = av.ControllingClient.ActiveGroupId;
+            detobj.linkNumber = 0;
 
             return detobj;
         }
@@ -5616,7 +5618,7 @@ namespace OpenSim.Region.Framework.Scenes
             detobj.velVector = Vector3.Zero;
             detobj.colliderType = 0;
             detobj.groupUUID = UUID.Zero;
-
+            detobj.linkNumber = 0;
             return detobj;
         }
 
diff --git a/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs b/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs
index 0ff2da365b..ad775ff499 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs
@@ -245,6 +245,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 DetectParams d = new DetectParams();
                 d.Key =detobj.keyUUID;
                 d.Populate(myScriptEngine.World);
+                d.LinkNum = detobj.linkNumber; // do it here since currently linknum is collided part
                 det.Add(d);
             }
 
@@ -265,6 +266,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 DetectParams d = new DetectParams();
                 d.Key =detobj.keyUUID;
                 d.Populate(myScriptEngine.World);
+                d.LinkNum = detobj.linkNumber; // do it here since currently linknum is collided part
                 det.Add(d);
             }
 
@@ -284,6 +286,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 DetectParams d = new DetectParams();
                 d.Key =detobj.keyUUID;
                 d.Populate(myScriptEngine.World);
+                d.LinkNum = detobj.linkNumber; // do it here since currently linknum is collided part
                 det.Add(d);
             }