diff --git a/config.rb b/config.rb
index 8bb5fe1..b136164 100644
--- a/config.rb
+++ b/config.rb
@@ -29,7 +29,7 @@
     #TODO: add something like this to speed it up?
     # next if sitemap.find_resource_by_path(...)
     short_path = img.destination_path.sub(/#{File.extname(img.destination_path)}$/, '')
-    proxy short_path, "/photo.html", layout: 'layout', locals: { photo: img }, ignore: true
+    proxy short_path, '/photo.html', layout: 'layout', locals: { photo: img }, ignore: true, content_type: 'text/html'
   end
 end