diff --git a/.gitignore b/.gitignore
index 28feacc311b..0d790bf49f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -646,6 +646,7 @@ Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/Point_set_d
 Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/Point_set_demo/Point_set_demo
 Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/Point_set_demo/Point_set_demo.sln
 Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/poisson/*.off
+Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/poisson/*.sbr
 Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/poisson/ALL_BUILD.vcproj
 Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/poisson/AQtimeproject
 Surface_reconstruction_points_3/demo/Surface_reconstruction_points_3/poisson/Poisson.rc.mst
diff --git a/Point_set_processing_3/include/CGAL/mst_orient_normals.h b/Point_set_processing_3/include/CGAL/mst_orient_normals.h
index 639d4632d16..d46c4c851f6 100644
--- a/Point_set_processing_3/include/CGAL/mst_orient_normals.h
+++ b/Point_set_processing_3/include/CGAL/mst_orient_normals.h
@@ -540,6 +540,7 @@ mst_orient_normals(
     using namespace CGALi;
 
     // Input points types
+    typedef typename std::iterator_traits<ForwardIterator>::value_type Enriched_point; // actual type of input points
     typedef typename boost::property_traits<NormalPMap>::value_type Vector;
 
     // Riemannian_graph types