diff --git a/app/models/metadata_has_one_nested.rb b/app/models/metadata_has_one_nested.rb
index ed509013..2f3e8e02 100644
--- a/app/models/metadata_has_one_nested.rb
+++ b/app/models/metadata_has_one_nested.rb
@@ -8,4 +8,9 @@ class MetadataHasOneNested < MetadataHasOne
   def nested?
     true
   end
+
+  # No tener conflictos con related
+  def related_methods
+    @related_methods ||= [].freeze
+  end
 end