diff --git a/db/migrate/20210809155434_add_canonical_deploy_to_sites.rb b/db/migrate/20210809155434_add_canonical_deploy_to_sites.rb
index 79b6af96..c1881336 100644
--- a/db/migrate/20210809155434_add_canonical_deploy_to_sites.rb
+++ b/db/migrate/20210809155434_add_canonical_deploy_to_sites.rb
@@ -22,8 +22,6 @@ class AddCanonicalDeployToSites < ActiveRecord::Migration[6.1]
 
       site.update_columns canonical_deploy_id: deploy.id
     end
-
-    change_column :sites, :canonical_deploy_id, :bigint, null: false
   end
 
   def down
diff --git a/test/factories/site.rb b/test/factories/site.rb
index 7d91f841..3bfe4f35 100644
--- a/test/factories/site.rb
+++ b/test/factories/site.rb
@@ -13,7 +13,7 @@ FactoryBot.define do
       # Factory porque necesitamos que el sitio se genere solo.
       #
       # @see {https://github.com/thoughtbot/factory_bot/wiki/How-factory_bot-interacts-with-ActiveRecord}
-      site.deploys.build(type: 'DeployLocal')
+      site.canonical_deploy = site.deploys.build(type: 'DeployLocal')
     end
   end
 end