diff --git a/scripts/upgrade b/scripts/upgrade
index 282a0dd..54a18de 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -15,7 +15,7 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Upgrading source files..."
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir" --keep="backend/development.ini frontend/configEnv.json"
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="backend/development.ini frontend/configEnv.json"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"