diff --git a/Jet_fitting_3/demo/Jet_fitting_3/SketchSample.C b/Jet_fitting_3/demo/Jet_fitting_3/SketchSample.C
index e4a5c1330d5..18b8a22d71d 100644
--- a/Jet_fitting_3/demo/Jet_fitting_3/SketchSample.C
+++ b/Jet_fitting_3/demo/Jet_fitting_3/SketchSample.C
@@ -36,6 +36,7 @@ void SketchSample::buildDisplayList(GLuint surf) {
   for (DS_iterator it=p_ppal_data->begin();it!=p_ppal_data->end();it++)
     draw_point((*it)->P1);
   //next, ppal dirs and normal
+  glDisable(GL_LIGHTING);
   for (DS_iterator it=p_ppal_data->begin();it!=p_ppal_data->end();it++)
     {	
       glColor3f(0.,0.,1.);//dmax
@@ -47,6 +48,7 @@ void SketchSample::buildDisplayList(GLuint surf) {
 	/ CGAL::sqrt( ((*it)->D1) * ((*it)->D1) );
       draw_vector((*it)->P1, normal) ;		
     }
+  glEnable(GL_LIGHTING);
 
 //    static GLfloat ared[4] = {0.8, 0.1, 0.0, 1.0 };
 //    //  glNewList(surf, GL_COMPILE);
diff --git a/Jet_fitting_3/demo/Jet_fitting_3/enriched_polyhedron.h b/Jet_fitting_3/demo/Jet_fitting_3/enriched_polyhedron.h
index 3f99fae1c0a..fc96f77111f 100644
--- a/Jet_fitting_3/demo/Jet_fitting_3/enriched_polyhedron.h
+++ b/Jet_fitting_3/demo/Jet_fitting_3/enriched_polyhedron.h
@@ -287,6 +287,10 @@ public :
   // draw facets
   void gl_draw_facets(const bool smooth)
     {
+      glEnable(GL_LIGHTING);
+      static GLfloat tryellow[4] = {0.3, 0.3, 0.0, 1 };
+      glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, tryellow);
+
       Facet_iterator hFacet;
       for(hFacet = facets_begin();
 	  hFacet != facets_end();
@@ -297,6 +301,7 @@ public :
   void gl_draw_facet(Facet_handle hFacet,
 		     const bool smooth)
     {
+
       ::glBegin(GL_POLYGON);
 
       // one normal per facet