diff --git a/scripts/upgrade b/scripts/upgrade
index 55dfc94..96215a3 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -164,6 +164,7 @@ chown $app:$app "$final_path/settings_base.json"
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..."
 
+env_path="$PATH"
 # Create a dedicated systemd config
 ynh_add_systemd_config