diff --git a/app/models/metadata_template.rb b/app/models/metadata_template.rb
index c778e1b2..5de54be1 100644
--- a/app/models/metadata_template.rb
+++ b/app/models/metadata_template.rb
@@ -134,7 +134,11 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
   # En caso de que algún campo necesite realizar acciones antes de ser
   # guardado
   def save
-    return true unless changed?
+    if !changed?
+      self[:value] = document_value if private?
+
+      return true
+    end
 
     self[:value] = sanitize value
     self[:value] = encrypt(value) if private?