diff --git a/db/migrations/20181213125806_add_parent_field.php b/db/migrations/20181213125806_add_parent_field.php
index c962bcb276ca53363d5ea5eaf08833865bf64fb5..3d6b506368087f228809e2973c166ddc100a87ed 100644
--- a/db/migrations/20181213125806_add_parent_field.php
+++ b/db/migrations/20181213125806_add_parent_field.php
@@ -35,6 +35,8 @@ class AddParentField extends AbstractMigration
         $table = $this->table('contreparties');
         $table->addColumn('parent', 'integer');
         $table->update();
+
+        // Let's set some default value
         $builder = $this->getQueryBuilder();
         $stmt = $builder->update('contreparties')
             ->set('parent', 'id')