diff --git a/Surface_mesh_parameterization/examples/Surface_mesh_parameterization/include/Parameterization_polyhedron_adaptor_ex.h b/Surface_mesh_parameterization/examples/Surface_mesh_parameterization/include/Parameterization_polyhedron_adaptor_ex.h
index ac378009fcd..426f1da336d 100644
--- a/Surface_mesh_parameterization/examples/Surface_mesh_parameterization/include/Parameterization_polyhedron_adaptor_ex.h
+++ b/Surface_mesh_parameterization/examples/Surface_mesh_parameterization/include/Parameterization_polyhedron_adaptor_ex.h
@@ -253,8 +253,9 @@ public:
         int index = 0;
         for (Vertex_iterator it=mesh_vertices_begin(); it!=mesh_vertices_end(); it++)
         {
-            Point_3 position = get_vertex_position(it);
+
 /*#ifdef DEBUG_TRACE
+            Point_3 position = get_vertex_position(it);
             fprintf(stderr, "    %d=(%f,%f,%f)\n",
                             index,
                             (float)position.x(),