diff --git a/Mesh_3/include/CGAL/Mesh_3/Mesh_global_optimizer.h b/Mesh_3/include/CGAL/Mesh_3/Mesh_global_optimizer.h
index 714430116f6..7b83d8b05bc 100644
--- a/Mesh_3/include/CGAL/Mesh_3/Mesh_global_optimizer.h
+++ b/Mesh_3/include/CGAL/Mesh_3/Mesh_global_optimizer.h
@@ -974,7 +974,7 @@ update_mesh(const Moves_vector& moves,
       {
         FT size = std::get<2>(*it);
 
-#ifdef CGAL_MESH_3_OPTIMIZER_VERBOSE
+#ifdef CGAL_MESH_3_OPTIMIZER_VERY_VERBOSE
         std::cerr << "Moving #" << it - moves.begin()
                   << " addr: " << &*v
                   << " pt: " << tr_.point(v)
diff --git a/Mesh_3/include/CGAL/Mesh_3/Mesher_3.h b/Mesh_3/include/CGAL/Mesh_3/Mesher_3.h
index 4f5115fb13c..185efe6229c 100644
--- a/Mesh_3/include/CGAL/Mesh_3/Mesher_3.h
+++ b/Mesh_3/include/CGAL/Mesh_3/Mesher_3.h
@@ -575,7 +575,7 @@ refine_mesh(std::string dump_after_refine_surface_prefix)
   nbsteps = 0;
 
   facets_visitor_.activate();
-  dump_c3t3(r_c3t3_, dump_after_refine_surface_prefix);
+
   std::cerr << "Start volume scan...";
   CGAL_MESH_3_TASK_BEGIN(scan_cells_task_handle);
   cells_mesher_.scan_triangulation();
@@ -584,6 +584,7 @@ refine_mesh(std::string dump_after_refine_surface_prefix)
   std::cerr << "end scan. [Bad tets:" << cells_mesher_.size() << "]";
   std::cerr << std::endl << std::endl;
   elapsed_time += timer.time();
+  dump_c3t3(r_c3t3_, dump_after_refine_surface_prefix);
   timer.stop(); timer.reset(); timer.start();
 
   std::cerr << "Refining...\n";
diff --git a/Mesh_3/include/CGAL/Mesh_3/config.h b/Mesh_3/include/CGAL/Mesh_3/config.h
index 6fc06788902..cc2e5187f9b 100644
--- a/Mesh_3/include/CGAL/Mesh_3/config.h
+++ b/Mesh_3/include/CGAL/Mesh_3/config.h
@@ -57,4 +57,10 @@
 #  endif
 #endif
 
+#ifdef CGAL_MESH_3_VERY_VERBOSE
+#  ifndef CGAL_MESH_3_OPTIMIZER_VERY_VERBOSE
+#    define CGAL_MESH_3_OPTIMIZER_VERY_VERBOSE 1
+#  endif
+#endif
+
 #endif // CGAL_MESH_3_CONFIG_H