diff --git a/include/osgAnimation/Bone b/include/osgAnimation/Bone
index af5f90241..c006f6f23 100644
--- a/include/osgAnimation/Bone
+++ b/include/osgAnimation/Bone
@@ -93,7 +93,7 @@ namespace osgAnimation
 
         class OSGANIMATION_EXPORT UpdateBone : public AnimationUpdateCallback
         {
-        public:
+        protected:
             osg::ref_ptr<osgAnimation::Vec3Target> _position;
             osg::ref_ptr<osgAnimation::QuatTarget> _quaternion;
             osg::ref_ptr<osgAnimation::Vec3Target> _scale;
diff --git a/include/osgAnimation/Target b/include/osgAnimation/Target
index bbb40df14..85f1d92c1 100644
--- a/include/osgAnimation/Target
+++ b/include/osgAnimation/Target
@@ -90,7 +90,7 @@ namespace osgAnimation
     public:
             
         TemplateTarget () {}
-
+        TemplateTarget (const osg::Quat& q) { setValue(q); }
         const osg::Quat& getValue() const { return _target;}
         void update(float weight, const osg::Quat& val) 
         { 
diff --git a/src/osgAnimation/Bone.cpp b/src/osgAnimation/Bone.cpp
index faf5f7322..ab228172a 100644
--- a/src/osgAnimation/Bone.cpp
+++ b/src/osgAnimation/Bone.cpp
@@ -17,11 +17,11 @@
 #include <osgAnimation/Skeleton>
 
 osgAnimation::Bone::UpdateBone::UpdateBone(const osgAnimation::Bone::UpdateBone& apc,const osg::CopyOp& copyop) :
-    osgAnimation::AnimationUpdateCallback(apc, copyop),
-    _position(apc._position),
-    _quaternion(apc._quaternion),
-    _scale(apc._scale)
+    osgAnimation::AnimationUpdateCallback(apc, copyop)
 {
+    _quaternion = new osgAnimation::QuatTarget(apc._quaternion->getValue());
+    _position = new osgAnimation::Vec3Target(apc._position->getValue());
+    _scale = new osgAnimation::Vec3Target(apc._scale->getValue());
 }
 
 
@@ -30,8 +30,20 @@ osgAnimation::Bone::Bone(const Bone& b, const osg::CopyOp& copyop) :
     _position(b._position),
     _rotation(b._rotation),
     _scale(b._scale),
+    _bindInBoneSpace(b._bindInBoneSpace),
+    _invBindInSkeletonSpace(b._invBindInSkeletonSpace),
+    _boneInSkeletonSpace(b._boneInSkeletonSpace),
     _needToRecomputeBindMatrix(true)
 {
+    osg::ref_ptr<osg::NodeCallback> updatecallback = getUpdateCallback();
+    setUpdateCallback(0);
+    while (updatecallback.valid()) {
+        osg::NodeCallback* ucb = dynamic_cast<osg::NodeCallback*>(updatecallback->clone(copyop));
+        ucb->setNestedCallback(0);
+        ucb->setName(updatecallback->getName());
+        addUpdateCallback(ucb);
+        updatecallback = updatecallback->getNestedCallback();
+    }
 }
 
 osgAnimation::Bone::Bone(const std::string& name)