diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs b/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs
index 5f232a4b99..c0589cd7db 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs
@@ -69,7 +69,9 @@ public class BSActorAvatarMove : BSActor
     // BSActor.Dispose()
     public override void Dispose()
     {
-        Enabled = false;
+        base.SetEnabled(false);
+        // Now that turned off, remove any state we have in the scene.
+        Refresh();
     }
 
     // Called when physical parameters (properties set in Bullet) need to be re-applied.
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
index 502f85f02b..291dfcd9d8 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
@@ -107,6 +107,8 @@ public sealed class BSCharacter : BSPhysObject
             PhysicalActors.Add(AvatarMoveActorName, m_moveActor);
 
             SetPhysicalProperties();
+
+            IsInitialized = true;
         });
         return;
     }
@@ -114,6 +116,8 @@ public sealed class BSCharacter : BSPhysObject
     // called when this character is being destroyed and the resources should be released
     public override void Destroy()
     {
+        IsInitialized = false;
+
         base.Destroy();
 
         DetailLog("{0},BSCharacter.Destroy", LocalID);
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
index 27caf62873..b26fef02e3 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
@@ -72,6 +72,8 @@ public abstract class BSPhysObject : PhysicsActor
     }
     protected BSPhysObject(BSScene parentScene, uint localID, string name, string typeName)
     {
+        IsInitialized = false;
+
         PhysScene = parentScene;
         LocalID = localID;
         PhysObjectName = name;
@@ -130,6 +132,8 @@ public abstract class BSPhysObject : PhysicsActor
     public string PhysObjectName { get; protected set; }
     public string TypeName { get; protected set; }
 
+    // Set to 'true' when the object is completely initialized
+    public bool IsInitialized { get; protected set; }
 
     // Return the object mass without calculating it or having side effects
     public abstract float RawMass { get; }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
index 6b5dea39ff..d5b999d839 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
@@ -110,6 +110,8 @@ public class BSPrim : BSPhysObject
             CreateGeomAndObject(true);
 
             CurrentCollisionFlags = PhysScene.PE.GetCollisionFlags(PhysBody);
+
+            IsInitialized = true;
         });
     }
 
@@ -117,6 +119,8 @@ public class BSPrim : BSPhysObject
     public override void Destroy()
     {
         // m_log.DebugFormat("{0}: Destroy, id={1}", LogHeader, LocalID);
+        IsInitialized = false;
+
         base.Destroy();
 
         // Undo any vehicle properties
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index 79ac5a5ba0..88d50b438b 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -639,7 +639,8 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
                     BSPhysObject pobj;
                     if (PhysObjects.TryGetValue(entprop.ID, out pobj))
                     {
-                        pobj.UpdateProperties(entprop);
+                        if (pobj.IsInitialized)
+                            pobj.UpdateProperties(entprop);
                     }
                 }
             }
@@ -766,10 +767,13 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
 
         // DetailLog("{0},BSScene.SendCollision,collide,id={1},with={2}", DetailLogZero, localID, collidingWith);
 
-        if (collider.Collide(collidingWith, collidee, collidePoint, collideNormal, penetration))
+        if (collider.IsInitialized)
         {
-            // If a collision was 'good', remember to send it to the simulator
-            ObjectsWithCollisions.Add(collider);
+            if (collider.Collide(collidingWith, collidee, collidePoint, collideNormal, penetration))
+            {
+                // If a collision was 'good', remember to send it to the simulator
+                ObjectsWithCollisions.Add(collider);
+            }
         }
 
         return;