diff --git a/tests/core/ltlcross5.test b/tests/core/ltlcross5.test
index 82e9fdc89..c89a7bd0b 100644
--- a/tests/core/ltlcross5.test
+++ b/tests/core/ltlcross5.test
@@ -1,6 +1,6 @@
 #!/bin/sh
 # -*- coding: utf-8 -*-
-# Copyright (C) 2019 Laboratoire de Recherche et Développement de
+# Copyright (C) 2019, 2023 Laboratoire de Recherche et Développement de
 # l'Epita (LRDE).
 #
 # This file is part of Spot, a model checking library.
@@ -24,10 +24,22 @@ set -e
 unset TMPDIR
 unset SPOT_TMPDIR
 
+err=0
+
+SPOT_TMPDIR=bar ltlcross ltl2tgba -f GFa 2>err && err=1
+cat err
+grep 'failed to create temporary file' err
+grep 'Note that the directory.*SPOT_TMPDIR ' err
+
+TMPDIR=bar ltlcross ltl2tgba -f GFa 2>err && err=2
+cat err
+grep 'failed to create temporary file' err
+grep 'Note that the directory.* TMPDIR ' err
+
+
 mkdir foo
 chmod a-w foo
 cd foo
-err=0
 if touch bar; then
     # We are likely running as root, so we cannot detect permission
     # issues.
@@ -39,27 +51,17 @@ fi
 ltlcross ltl2tgba -f GFa 2>../err && err=1
 cd ..
 cat err
-grep 'failed to create temporary file' err || err=1
-grep 'executing this from a writable' err || err=1
+grep 'failed to create temporary file' err || err=3
+grep 'executing this from a writable' err || err=3
 grep 'SPOT_TMPDIR' err || err=1
 
-SPOT_TMPDIR=foo ltlcross ltl2tgba -f GFa 2>err && err=2
+SPOT_TMPDIR=foo ltlcross ltl2tgba -f GFa 2>err && err=4
 cat err
-grep 'failed to create temporary file' err || err=2
-grep 'executing this from a writable' err && err=2
+grep 'failed to create temporary file' err || err=4
+grep 'executing this from a writable' err && err=4
 grep 'SPOT_TMPDIR' err
 
 chmod a+w foo
 rmdir foo
 
-SPOT_TMPDIR=bar ltlcross ltl2tgba -f GFa 2>err && err=3
-cat err
-grep 'failed to create temporary file' err
-grep 'Note that the directory.*SPOT_TMPDIR ' err
-
-TMPDIR=bar ltlcross ltl2tgba -f GFa 2>err && err=4
-cat err
-grep 'failed to create temporary file' err
-grep 'Note that the directory.* TMPDIR ' err
-
 exit $err