diff --git a/scripts/_common.sh b/scripts/_common.sh
index c6fec0c..c7e21fa 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -27,7 +27,8 @@ CHECK_SIZE () {	# Vérifie avant chaque backup que l'espace est suffisant
 #=================================================
 
 IS_PACKAGE_CHECK () {	# Détermine une exécution en conteneur (Non testé)
-	return $(uname -n | grep -c 'pchecker_lxc')
+# 	return $(uname -n | grep -c 'pchecker_lxc')
+	return $(env | grep -c container=lxc)
 }
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 570c94e..96cf7fa 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -113,3 +113,9 @@ ynh_system_reload nginx
 
 # Wait for Jenkins fully started
 ynh_check_starting "Jenkins is fully up and running" "/var/log/$app/$app.log" "300"
+
+#=================================================
+# UPGRADE JENKINS-CLI.PHAR
+#=================================================
+
+wget -nv --no-check-certificate https://$domain$path_url/jnlpJars/jenkins-cli.jar -O /var/lib/jenkins/jenkins-cli.jar