diff --git a/db/migrate/001_add_parent_id_to_users.rb b/db/migrate/001_add_parent_id_to_users.rb
index f539b36..9456e3b 100644
--- a/db/migrate/001_add_parent_id_to_users.rb
+++ b/db/migrate/001_add_parent_id_to_users.rb
@@ -1,5 +1,7 @@
 class AddParentIdToUsers < ActiveRecord::Migration
 	def change
-		add_reference :users, :parent, null: true, index: true unless column_exists? :users, :parent_id
-	end
+     		change_table :users do |t|
+       			t.references :parent, default: 1
+     		end
+ 	end
 end