diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index fcbd4074..c83b2894 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -2,6 +2,8 @@
 
 # Helpers
 module ApplicationHelper
+  BRACKETS = /[\[\]]/
+
   # Devuelve el atributo name de un campo anidado en el formato que
   # esperan los helpers *_field
   #
@@ -19,6 +21,14 @@ module ApplicationHelper
     [root, name]
   end
 
+  # Obtiene un ID
+  #
+  # @param base [String]
+  # @param attribute [String, Symbol]
+  def id_for(base, attribute)
+    "#{base.gsub(BRACKETS, '_')}_#{attribute}".squeeze('_')
+  end
+
   def plain_field_name_for(*names)
     root, name = field_name_for(*names)
 
diff --git a/app/views/posts/_htmx_form.haml b/app/views/posts/_htmx_form.haml
index 25c45aad..cd482b35 100644
--- a/app/views/posts/_htmx_form.haml
+++ b/app/views/posts/_htmx_form.haml
@@ -7,6 +7,7 @@
   @param :dir [Symbol, String]
 :ruby
   options = {
+    id: base, 
     multipart: true,
     class: 'form post ',
     'hx-swap': params.require(:swap),
@@ -29,13 +30,7 @@
   %input{ type: 'hidden', name: 'name', value: params.require(:name) }
   %input{ type: 'hidden', name: 'base', value: params.require(:base) }
 
-  -# Botones de guardado
-  = render 'posts/submit', site: site, post: post
-
   = hidden_field_tag "#{base}[layout]", post.layout.name
 
   -# Dibuja cada atributo
   = render 'posts/attributes', site: site, post: post, dir: dir, base: base, locale: locale
-
-  -# Botones de guardado
-  = render 'posts/submit', site: site, post: post
diff --git a/app/views/posts/attributes/_new_array.haml b/app/views/posts/attributes/_new_array.haml
index 08fc6dee..b4407c0d 100644
--- a/app/views/posts/attributes/_new_array.haml
+++ b/app/views/posts/attributes/_new_array.haml
@@ -1,7 +1,7 @@
 -#
   Genera un listado de checkboxes entre los que se puede elegir para guardar
 :ruby
-  id = "#{base.gsub(/[\[\]]/, '_')}_#{attribute}".squeeze('_')
+  id = id_for(base, attribute)
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
 
diff --git a/app/views/posts/attributes/_new_has_many.haml b/app/views/posts/attributes/_new_has_many.haml
index 48230759..275d0335 100644
--- a/app/views/posts/attributes/_new_has_many.haml
+++ b/app/views/posts/attributes/_new_has_many.haml
@@ -8,7 +8,7 @@
   del formulario principal porque no se pueden anidar.
 
 :ruby
-  id = "#{base.gsub(/[\[\]]/, '_')}_#{attribute}".squeeze('_')
+  id = id_for(base, attribute)
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
   modal_id = "modal-#{Nanoid.generate}"
@@ -90,3 +90,5 @@
     = render 'bootstrap/modal', id: post_id, modal_content_attributes: { class: 'h-100' } do
       - content_for :"#{post_id}_body" do
         %div{ id: post_form_loaded_id }
+      - content_for :"#{post_id}_footer" do
+        = render 'bootstrap/btn', form: id, content: t('.save'), type: 'submit'
diff --git a/app/views/posts/attributes/_new_predefined_array.haml b/app/views/posts/attributes/_new_predefined_array.haml
index 218a2cc2..36f1ae2f 100644
--- a/app/views/posts/attributes/_new_predefined_array.haml
+++ b/app/views/posts/attributes/_new_predefined_array.haml
@@ -3,8 +3,7 @@
   guardar, pero no se pueden agregar nuevos.
 
 :ruby
-  # @todo Convertir en un helper
-  id = "#{base.gsub(/[\[\]]/, '_')}_#{attribute}".squeeze('_')
+  id = id_for(base, attribute)
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 821a6735..a68b32c0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -946,3 +946,4 @@ en:
       cancel: "Cancel"
       edit: "Edit"
       filter: "Start typing to filter..."
+      save: "Save"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 3d70292e..eb58b461 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -954,3 +954,4 @@ es:
       cancel: "Cancelar"
       edit: "Editar"
       filter: "Empezá a escribir para filtrar..."
+      save: "Guardar"