diff --git a/lib/danbooru_image_resizer/danbooru_image_resizer.rb b/lib/danbooru_image_resizer/danbooru_image_resizer.rb
index 649519b9a..ac36cead7 100644
--- a/lib/danbooru_image_resizer/danbooru_image_resizer.rb
+++ b/lib/danbooru_image_resizer/danbooru_image_resizer.rb
@@ -18,6 +18,8 @@ module Danbooru
 
     image.write(write_path) do
       self.quality = resize_quality
+      # setting PlaneInterlace enables progressive encoding for JPEGs
+      self.interlace = Magick::PlaneInterlace
     end
 
     image.destroy!