diff --git a/src/osgViewer/Scene.cpp b/src/osgViewer/Scene.cpp
index 2bfd23a24..e001d6537 100644
--- a/src/osgViewer/Scene.cpp
+++ b/src/osgViewer/Scene.cpp
@@ -78,6 +78,8 @@ void Scene::frameAdvance()
     _frameStamp->setReferenceTime(osg::Timer::instance()->time_s());
     _frameStamp->setFrameNumber(_frameStamp->getFrameNumber()+1);
     
+    _updateVisitor->setTraversalNumber(_frameStamp->getFrameNumber());
+
     // osg::notify(osg::NOTICE)<<"Frame rate = "<<1.0/(_frameStamp->getReferenceTime()-previousTime)<<std::endl;
 }
 
@@ -85,8 +87,6 @@ void Scene::frameUpdateTraversal()
 {
     if (!getSceneData()) return;
     
-    _updateVisitor->setTraversalNumber(_frameStamp->getFrameNumber());
-    
     getSceneData()->accept(*_updateVisitor);
     
     if (_databasePager.valid())
diff --git a/src/osgViewer/Viewer.cpp b/src/osgViewer/Viewer.cpp
index e572fa412..52bd1f5af 100644
--- a/src/osgViewer/Viewer.cpp
+++ b/src/osgViewer/Viewer.cpp
@@ -2056,6 +2056,17 @@ void Viewer::updateTraversal()
 
     double beginUpdateTraversal = osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick());
 
+    osgUtil::UpdateVisitor* uv = _scene.valid() ? _scene->getUpdateVisitor() : 0;
+
+    if (_camera.valid() && _camera->getUpdateCallback() && uv)
+    {
+        osg::NodeVisitor::TraversalMode tm = uv->getTraversalMode();
+        uv->setTraversalMode(osg::NodeVisitor::TRAVERSE_NONE);
+        _camera->accept(*uv);
+        uv->setTraversalMode(tm);
+        
+    }
+
     if (_scene.valid()) _scene->frameUpdateTraversal();
 
     if (_cameraManipulator.valid())