diff --git a/scripts/upgrade b/scripts/upgrade
index 6c1c3ac..f59abb4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -49,7 +49,7 @@ fi
 #=================================================
 ynh_script_progression --message="Upgrading source files..." --weight=1
 
-ynh_setup_source --dest_dir="$install_dir" --keep="settings.json credentials.json"
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="settings.json credentials.json"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"