diff --git a/app/models/metadata_image.rb b/app/models/metadata_image.rb
index f02b178..f91a627 100644
--- a/app/models/metadata_image.rb
+++ b/app/models/metadata_image.rb
@@ -13,6 +13,8 @@ class MetadataImage < MetadataFile
 
   # Determina si es una imagen
   def image?
+    return true unless file
+
     filemagic.file(file).starts_with? 'image/'
   end
 end