diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index f09c4dd4..6662ddeb 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -7,6 +7,23 @@ class ApplicationRecord < ActiveRecord::Base
   #
   # @return [String]
   def to_yaml(options = {})
-    self.class.inspection_filter.filter(serializable_hash).to_yaml(options)
+    pruned_attributes.to_yaml(options)
+  end
+
+  # Devuelve todos los atributos menos los filtrados
+  #
+  # @return [Hash]
+  def pruned_attributes
+    self.class.inspection_filter.filter(serializable_hash)
+  end
+
+  # @param coder [Psych::Coder]
+  # @return nil
+  def encode_with(coder)
+    pruned_attributes.each_pair do |attr, value|
+      coder[attr] = value
+    end
+
+    nil
   end
 end