diff --git a/Polyhedron/demo/Polyhedron/Plugins/PCA/Edit_box_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/PCA/Edit_box_plugin.cpp
index 38f6d7035f9..8a7e5059211 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/PCA/Edit_box_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/PCA/Edit_box_plugin.cpp
@@ -145,8 +145,9 @@ void Edit_box_plugin::exportToPoly()
                           points[6],
                           *poly_item->polyhedron());
     CGAL::Polygon_mesh_processing::triangulate_faces(*poly_item->polyhedron());
-    item->setName("Edit box");
-    item->setRenderingMode(FlatPlusEdges);
+    poly_item->setName("Edit box");
+    poly_item->setRenderingMode(FlatPlusEdges);
+    poly_item->invalidateOpenGLBuffers();
     scene->replaceItem(id, poly_item, true);
     item->deleteLater();
     actionBbox->setEnabled(true);