From 2fd234ddc071ce516d7ea8ac4c84bfcba37cf0cd Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 12 Dec 2023 00:10:08 -0700
Subject: [PATCH] Only set direction flags in the codim-1 case.

---
 source/grid/tria.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index de285dca22..83b6a244dc 100644
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -12682,7 +12682,7 @@ void Triangulation<dim, spacedim>::create_triangulation(
       more readable.
 
     */
-  if (dim < spacedim && all_reference_cells_are_hyper_cube())
+  if ((dim == spacedim - 1) && all_reference_cells_are_hyper_cube())
     {
       Table<2, bool> correct(GeometryInfo<dim>::faces_per_cell,
                              GeometryInfo<dim>::faces_per_cell);
-- 
2.39.5