diff --git a/BGL/include/CGAL/boost/graph/convert_nef_polyhedron_to_polygon_mesh.h b/BGL/include/CGAL/boost/graph/convert_nef_polyhedron_to_polygon_mesh.h
index 03173e12c95..3df282c01ac 100644
--- a/BGL/include/CGAL/boost/graph/convert_nef_polyhedron_to_polygon_mesh.h
+++ b/BGL/include/CGAL/boost/graph/convert_nef_polyhedron_to_polygon_mesh.h
@@ -87,7 +87,7 @@ struct Shell_polygons_visitor
     typename Nef_polyhedron::Halffacet_const_handle f = opposite_facet->twin();
 
     typename Nef_polyhedron::SHalfedge_around_facet_const_circulator
-      sfc1(f->facet_cycles_begin()), sfc2(sfc1);
+      sfc1(f->facet_cycles_begin());
 
     // create a new polygon
     polygons.push_back( std::vector<std::size_t>() );