diff --git a/app/models/post/indexable.rb b/app/models/post/indexable.rb
index 7757e7f7..4e46d7b2 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_initialize_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)
@@ -28,8 +27,6 @@ class Post
         end
       end
 
-      private
-
       # Indexa o reindexa el Post
       #
       # @return [Boolean]
@@ -41,6 +38,8 @@ class Post
         to_index.destroy.destroyed?
       end
 
+      private
+
       # Los metadatos que se almacenan como objetos JSON.  Empezamos con
       # las categorías porque se usan para filtrar en el listado de
       # artículos.
diff --git a/app/models/site/index.rb b/app/models/site/index.rb
index e10fa523..e11095e3 100644
--- a/app/models/site/index.rb
+++ b/app/models/site/index.rb
@@ -14,9 +14,7 @@ class Site
 
       def index_posts!
         Site.transaction do
-          docs.each do |post|
-            post.to_index.save
-          end
+          docs.each(&:index!)
         end
       end
     end
diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index bc5c826c..87ff4d93 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -96,15 +96,15 @@
                 TODO: Solo les usuaries cachean porque tenemos que separar
                 les botones por permisos.
               - cache_if @usuarie, [post, I18n.locale] do
-                - checkbox_id = "checkbox-#{post.id}"
-                %tr{ id: post.id, data: { target: 'reorder.row' } }
+                - checkbox_id = "checkbox-#{post.post_id}"
+                %tr{ id: post.post_id, data: { target: 'reorder.row' } }
                   %td
                     .custom-control.custom-checkbox
                       %input.custom-control-input{ id: checkbox_id, type: 'checkbox', autocomplete: 'off', data: { action: 'reorder#select' } }
                       %label.custom-control-label{ for: checkbox_id }
                         %span.sr-only= t('posts.reorder.select')
                     -# Orden más alto es mayor prioridad
-                    = hidden_field 'post[reorder]', post.id,
+                    = hidden_field 'post[reorder]', post.post_id,
                       value: size - i,
                       data: { reorder: true }
                   %td.w-100{ class: dir }
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