diff --git a/src/osgSim/VisibilityGroup.cpp b/src/osgSim/VisibilityGroup.cpp
index 8668b2f97..a3827565a 100644
--- a/src/osgSim/VisibilityGroup.cpp
+++ b/src/osgSim/VisibilityGroup.cpp
@@ -71,7 +71,7 @@ void VisibilityGroup::traverse(osg::NodeVisitor& nv)
             if(!hitList.empty()) // we actually hit something
             {
                 //                notify(INFO) << "Hit obstruction"<< std::endl;
-                osg::Vec3 normal = hitList.front().getLocalIntersectNormal();
+                osg::Vec3 normal = hitList.front().getWorldIntersectNormal();
                 if((normal*seg) > 0.f ) // we are inside
                     Group::traverse(nv);
             }