diff --git a/Engine/source/math/mOrientedBox.cpp b/Engine/source/math/mOrientedBox.cpp
index 47037a7cd..1aa9c178c 100644
--- a/Engine/source/math/mOrientedBox.cpp
+++ b/Engine/source/math/mOrientedBox.cpp
@@ -52,7 +52,7 @@ void OrientedBox3F::set( const MatrixF& transform, const Point3F& extents )
    mAxes[ ForwardVector ] = transform.getForwardVector();
    mAxes[ UpVector ] = transform.getUpVector();
 
-   mHalfExtents = extents;
+   mHalfExtents = extents * 0.5f;
 
    _initPoints();
 }
diff --git a/Engine/source/scene/zones/scenePolyhedralZone.cpp b/Engine/source/scene/zones/scenePolyhedralZone.cpp
index 2fccd09f6..232a78214 100644
--- a/Engine/source/scene/zones/scenePolyhedralZone.cpp
+++ b/Engine/source/scene/zones/scenePolyhedralZone.cpp
@@ -73,7 +73,7 @@ void ScenePolyhedralZone::_updateOrientedWorldBox()
    if( mIsBox )
       Parent::_updateOrientedWorldBox();
    else
-      mOrientedWorldBox.set( getTransform(), Point3F( mObjBox.len_x(), mObjBox.len_y(), mObjBox.len_z() ) );
+       mOrientedWorldBox.set( getTransform(), mObjBox.getExtents() * getScale() );
 }
 
 //-----------------------------------------------------------------------------