diff --git a/db/migrate/20150113213922_remove_users_mail.rb b/db/migrate/20150113213922_remove_users_mail.rb
index 8a8b484..641af94 100644
--- a/db/migrate/20150113213922_remove_users_mail.rb
+++ b/db/migrate/20150113213922_remove_users_mail.rb
@@ -4,6 +4,10 @@ class RemoveUsersMail < ActiveRecord::Migration
   end
 
   def self.down
-    raise IrreversibleMigration
+    add_column :users, :mail, :string, limit: 60, default: '', null: false
+
+    EmailAddress.all.each do |a|
+      a.user.update_attribute :mail, a.address
+    end
   end
 end