diff --git a/Polyhedron/demo/Polyhedron/Polyhedron_demo_mesh_3_plugin_cgal_code.cpp b/Polyhedron/demo/Polyhedron/Polyhedron_demo_mesh_3_plugin_cgal_code.cpp
index 0812962bf6d..f3c9c76b1f4 100644
--- a/Polyhedron/demo/Polyhedron/Polyhedron_demo_mesh_3_plugin_cgal_code.cpp
+++ b/Polyhedron/demo/Polyhedron/Polyhedron_demo_mesh_3_plugin_cgal_code.cpp
@@ -326,6 +326,7 @@ public:
       connect(actionExportFacetsInComplex,
               SIGNAL(triggered()),this,
               SLOT(export_facets_in_complex()));
+      menu->setProperty(prop_name, true);
     }
     return menu;
   }