diff --git a/vcg/complex/algorithms/update/normal.h b/vcg/complex/algorithms/update/normal.h
index 990a16e6..cedd0434 100644
--- a/vcg/complex/algorithms/update/normal.h
+++ b/vcg/complex/algorithms/update/normal.h
@@ -168,7 +168,7 @@ static void PerFace(ComputeMeshType &m)
   RequirePerFaceNormal(m);
   for(FaceIterator f=m.face.begin();f!=m.face.end();++f)
     if( !(*f).IsD() )
-              f->N() = TriangleNormal(*f).Normalize();
+              f->N() = TriangleNormal(*f);
 }