diff --git a/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.cpp b/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.cpp
index 02b5a482e75..2187d279b55 100644
--- a/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.cpp
@@ -105,6 +105,22 @@ struct Scene_surface_mesh_item_priv{
 
   void computeElements() const;
 };
+
+Scene_surface_mesh_item::Scene_surface_mesh_item()
+  : CGAL::Three::Scene_item(Scene_surface_mesh_item_priv::NbOfVbos,Scene_surface_mesh_item_priv::NbOfVaos)
+{
+  d = new Scene_surface_mesh_item_priv(new SMesh(), this);
+  d->floated = false;
+
+  d->has_vcolors = false;
+  d->has_fcolors = false;
+  d->checkFloat();
+
+
+  d->compute_elements();
+  are_buffers_filled = false;
+}
+
 Scene_surface_mesh_item::Scene_surface_mesh_item(const Scene_surface_mesh_item& other)
   : CGAL::Three::Scene_item(Scene_surface_mesh_item_priv::NbOfVbos,Scene_surface_mesh_item_priv::NbOfVaos)
 {
diff --git a/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.h b/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.h
index e23fb56e846..01d09e658a7 100644
--- a/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.h
+++ b/Polyhedron/demo/Polyhedron/Scene_surface_mesh_item.h
@@ -31,6 +31,7 @@ public:
   typedef CGAL::Surface_mesh<Point> SMesh;
   typedef boost::graph_traits<SMesh>::face_descriptor face_descriptor;
 
+  Scene_surface_mesh_item();
   // Takes ownership of the argument.
   Scene_surface_mesh_item(SMesh*);
   Scene_surface_mesh_item(SMesh);