diff --git a/Surface_reconstruction_3/demo/Surface_reconstruction_3/poisson/PoissonDoc.cpp b/Surface_reconstruction_3/demo/Surface_reconstruction_3/poisson/PoissonDoc.cpp
index d7a898ea707..dba0a8c1963 100644
--- a/Surface_reconstruction_3/demo/Surface_reconstruction_3/poisson/PoissonDoc.cpp
+++ b/Surface_reconstruction_3/demo/Surface_reconstruction_3/poisson/PoissonDoc.cpp
@@ -825,6 +825,9 @@ void CPoissonDoc::OnReconstructionPoissonSurfaceMeshing()
                                                         m_sm_distance*size); // upper bound of distance to surface
 
     // meshing surface
+std::cerr << "make_surface_mesh(sphere={center=("<<sm_sphere_center << "), radius="<<sm_sphere_radius << "},\n"
+          << "                  criteria={angle="<<m_sm_angle << ", radius="<<m_sm_radius*size << ", distance="<<m_sm_distance*size << "},\n"
+          << "                  Non_manifold_tag())...\n";
     CGAL::make_surface_mesh(m_surface_mesher_c2t3, surface, criteria, CGAL::Non_manifold_tag());
 
     // get output surface
@@ -1100,6 +1103,9 @@ void CPoissonDoc::OnReconstructionApssReconstruction()
                                                         m_sm_distance*size); // upper bound of distance to surface
 
     // meshing surface
+std::cerr << "make_surface_mesh(sphere={center=("<<sm_sphere_center << "), radius="<<sm_sphere_radius << "},\n"
+          << "                  criteria={angle="<<m_sm_angle << ", radius="<<m_sm_radius*size << ", distance="<<m_sm_distance*size << "},\n"
+          << "                  Non_manifold_tag())...\n";
     CGAL::make_surface_mesh(m_surface_mesher_c2t3, surface, criteria, CGAL::Non_manifold_tag());
 
     // get output surface
diff --git a/Surface_reconstruction_3/test/Surface_reconstruction_3/APSS_reconstruction_test.cpp b/Surface_reconstruction_3/test/Surface_reconstruction_3/APSS_reconstruction_test.cpp
index 0428f49d28a..2489e2d1b63 100644
--- a/Surface_reconstruction_3/test/Surface_reconstruction_3/APSS_reconstruction_test.cpp
+++ b/Surface_reconstruction_3/test/Surface_reconstruction_3/APSS_reconstruction_test.cpp
@@ -206,9 +206,9 @@ int main(int argc, char * argv[])
                                                             sm_distance*size); // upper bound of distance to surface
 
         // meshing surface
-//std::cerr << "make_surface_mesh(sphere={center=("<<sm_sphere_center << "), radius="<<sm_sphere_radius << "},\n"
-//          << "                  criteria={angle="<<sm_angle << ", radius="<<sm_radius*size << ", distance="<<sm_distance*size << "},\n"
-//          << "                  Non_manifold_tag())...\n";
+std::cerr << "make_surface_mesh(sphere={center=("<<sm_sphere_center << "), radius="<<sm_sphere_radius << "},\n"
+          << "                  criteria={angle="<<sm_angle << ", radius="<<sm_radius*size << ", distance="<<sm_distance*size << "},\n"
+          << "                  Non_manifold_tag())...\n";
         CGAL::make_surface_mesh(c2t3, surface, criteria, CGAL::Non_manifold_tag());
 
         // Print status
diff --git a/Surface_reconstruction_3/test/Surface_reconstruction_3/poisson_reconstruction_test.cpp b/Surface_reconstruction_3/test/Surface_reconstruction_3/poisson_reconstruction_test.cpp
index b2406d9f267..d0110a5ad0f 100644
--- a/Surface_reconstruction_3/test/Surface_reconstruction_3/poisson_reconstruction_test.cpp
+++ b/Surface_reconstruction_3/test/Surface_reconstruction_3/poisson_reconstruction_test.cpp
@@ -195,9 +195,9 @@ int main(int argc, char * argv[])
                                                             sm_distance*size); // upper bound of distance to surface
 
         // meshing surface
-//std::cerr << "make_surface_mesh(sphere={center=("<<sm_sphere_center << "), radius="<<sm_sphere_radius << "},\n"
-//          << "                  criteria={angle="<<sm_angle << ", radius="<<sm_radius*size << ", distance="<<sm_distance*size << "},\n"
-//          << "                  Non_manifold_tag())...\n";
+std::cerr << "make_surface_mesh(sphere={center=("<<sm_sphere_center << "), radius="<<sm_sphere_radius << "},\n"
+          << "                  criteria={angle="<<sm_angle << ", radius="<<sm_radius*size << ", distance="<<sm_distance*size << "},\n"
+          << "                  Non_manifold_tag())...\n";
         CGAL::make_surface_mesh(c2t3, surface, criteria, CGAL::Non_manifold_tag());
 
         // Print status