diff --git a/scripts/upgrade b/scripts/upgrade
index 38f5187..9edc80f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,7 +23,8 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
 #=================================================
 ynh_script_progression --message="Upgrading source files..." --weight=4
 
-ynh_setup_source --dest_dir="$install_dir" --keep="settings.json"
+# Download, check integrity, uncompress and patch the source from app.src
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="settings.json"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"