From e148d0e550b01537574048bf50f9078da5df3030 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?E=CC=81ric=20Gaspar?=
 <46165813+ericgaspar@users.noreply.github.com>
Date: Tue, 15 Aug 2023 13:44:03 +0200
Subject: [PATCH] Update upgrade

---
 scripts/upgrade | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/upgrade b/scripts/upgrade
index bbf006c..28dce37 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,7 +23,7 @@ upgrade_type=$(ynh_check_app_version_changed)
 ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
 # If language doesn't exist, create it
-if [ -z "$language" ]; then
+if [ -z "${language:-}" ]; then
 	language="en-US"
 	ynh_app_setting_set --app=$app --key=language --value=$language
 fi