diff --git a/app/models/metadata_file.rb b/app/models/metadata_file.rb
index 3ac89c9b..61aea897 100644
--- a/app/models/metadata_file.rb
+++ b/app/models/metadata_file.rb
@@ -49,6 +49,8 @@ class MetadataFile < MetadataTemplate
       value['path'] = relative_destination_path_with_filename.to_s if static_file
     end
 
+    self[:value] = self[:value].to_h
+
     true
   end
 
diff --git a/app/models/post.rb b/app/models/post.rb
index 053c995f..6f47a1bb 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -193,7 +193,7 @@ class Post
     # Limpiar el nombre del atributo, para que todos los ayudantes
     # reciban el método en limpio
     unless attribute? name
-      raise UnknownAttributeError, I18n.t('exceptions.post.no_method', method: name)
+      raise NoMethodError, I18n.t('exceptions.post.no_method', method: name)
     end
 
     define_singleton_method(name) do
diff --git a/app/services/post_service.rb b/app/services/post_service.rb
index 90aa9401..84f58dad 100644
--- a/app/services/post_service.rb
+++ b/app/services/post_service.rb
@@ -19,9 +19,10 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
 
     # Crea los posts anidados
     create_nested_posts! post, params[:post]
+    post.save
     update_related_posts
 
-    commit(action: :created, add: files) if post.save
+    commit(action: :created, add: files)
 
     update_site_license!