diff --git a/app/models/metadata_file.rb b/app/models/metadata_file.rb
index 89e6d461..e4c0d037 100644
--- a/app/models/metadata_file.rb
+++ b/app/models/metadata_file.rb
@@ -66,18 +66,19 @@ class MetadataFile < MetadataTemplate
   # XXX: La última opción provoca archivos duplicados, pero es lo mejor
   # que tenemos hasta que resolvamos https://0xacab.org/sutty/sutty/-/issues/213
   #
-  # @return [ActiveStorage::Attachment]
+  # @todo encontrar una forma de obtener el attachment sin tener que
+  # recurrir al último subido.
+  #
+  # @return [ActiveStorage::Attachment,nil]
   def static_file
-    return unless path?
-
     @static_file ||=
       case value['path']
       when ActionDispatch::Http::UploadedFile
         site.static_files.last if site.static_files.attach(value['path'])
       when String
-        if (blob = ActiveStorage::Blob.where(key: key_from_path).pluck(:id).first)
-          site.static_files.find_by(blob_id: blob)
-        elsif site.static_files.attach(io: path.open, filename: path.basename)
+        if (blob_id = ActiveStorage::Blob.where(key: key_from_path).pluck(:id).first)
+          site.static_files.find_by(blob_id: blob_id)
+        elsif path? && pathname.exist? && site.static_files.attach(io: pathname.open, filename: pathname.basename)
           site.static_files.last
         end
       end
@@ -92,8 +93,11 @@ class MetadataFile < MetadataTemplate
     @pathname ||= Pathname.new(File.join(site.path, value['path']))
   end
 
+  # Obtiene la key del attachment a partir de la ruta
+  #
+  # @return [String]
   def key_from_path
-    path.dirname.basename.to_s
+    pathname.dirname.basename.to_s
   end
 
   def path?