diff --git a/app/models/post/indexable.rb b/app/models/post/indexable.rb
index 7757e7f7..48dc6b0d 100644
--- a/app/models/post/indexable.rb
+++ b/app/models/post/indexable.rb
@@ -14,9 +14,8 @@ class Post
       #
       # @return [IndexedPost]
       def to_index
-        IndexedPost.find_or_create_by(id: uuid.value).tap do |indexed_post|
+        IndexedPost.find_or_create_by(post_id: uuid.value, site_id: site.id).tap do |indexed_post|
           indexed_post.layout = layout.name
-          indexed_post.site_id = site.id
           indexed_post.path = path.basename
           indexed_post.locale = locale.value
           indexed_post.dictionary = IndexedPost.to_dictionary(locale: locale.value)
diff --git a/db/migrate/20220802153308_indexed_posts_by_uuid_and_site_id.rb b/db/migrate/20220802153308_indexed_posts_by_uuid_and_site_id.rb
new file mode 100644
index 00000000..e6572ffb
--- /dev/null
+++ b/db/migrate/20220802153308_indexed_posts_by_uuid_and_site_id.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# No podemos compartir el uuid entre indexed_posts y posts porque
+# podemos tener sitios duplicados.  Al menos hasta que los sitios de
+# testeo estén integrados en el panel vamos a tener que generar otros
+# UUID.
+class IndexedPostsByUuidAndSiteId < ActiveRecord::Migration[6.1]
+  def up
+    add_column :indexed_posts, :post_id, :uuid, index: true
+
+    IndexedPost.transaction do
+      ActiveRecord::Base.connection.execute('update indexed_posts set post_id = id where post_id is null')
+    end
+  end
+
+  def down
+    remove_column :indexed_posts, :post_id
+  end
+end