diff --git a/app/models/metadata_new_predefined_value.rb b/app/models/metadata_new_predefined_value.rb
index ff839759..929934b2 100644
--- a/app/models/metadata_new_predefined_value.rb
+++ b/app/models/metadata_new_predefined_value.rb
@@ -1,4 +1,8 @@
 # frozen_string_literal: true
 
 # Nueva interfaz
-class MetadataNewPredefinedValue < MetadataPredefinedValue; end
+class MetadataNewPredefinedValue < MetadataPredefinedValue
+  def values
+    @values ||= (required ? {} : { I18n.t('posts.attributes.new_predefined_value.empty') => '' }).merge(super)
+  end
+end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index ec5b34a9..955f3d20 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -761,6 +761,8 @@ en:
         edit: "Edit"
       new_predefined_array:
         edit: "Edit"
+      new_predefined_value:
+        empty: "(Empty)"
       new_array:
         edit: "Edit"
       new_has_one:
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 61c645a0..6f567933 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -768,8 +768,10 @@ es:
       new_has_and_belongs_to_many:
         edit: "Editar"
       new_predefined_array:
+        empty: "(Vacío)"
         edit: "Editar"
       new_predefined_value:
+        empty: "(Vacío)"
         edit: "Editar"
       new_array:
         edit: "Editar"