diff --git a/scripts/upgrade b/scripts/upgrade
index 607e8d8..2cef85f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -99,6 +99,7 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --weight=2
 
+env_path="$PATH"
 # Create a dedicated systemd config
 ynh_add_systemd_config