From dbb70b394eca35c79ac85ccd0ea240a2b831766a Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Thu, 2 Jul 2026 23:28:15 +0100
Subject: [PATCH] Fix test.

---
 regress/format-modifiers.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/regress/format-modifiers.sh b/regress/format-modifiers.sh
index 131b6527a..4244ad07b 100644
--- a/regress/format-modifiers.sh
+++ b/regress/format-modifiers.sh
@@ -12,7 +12,9 @@
 PATH=/bin:/usr/bin
 TERM=screen
 TZ=UTC
-export TZ
+LANG=C.UTF-8
+LC_ALL=C.UTF-8
+export TZ LANG LC_ALL
 
 [ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
 TMUX="$TEST_TMUX -Ltest -f/dev/null"