diff --git a/lib/paperclip/storage/no_cache_s3.rb b/lib/paperclip/storage/no_cache_s3.rb
index aa4e118..e26d0be 100644
--- a/lib/paperclip/storage/no_cache_s3.rb
+++ b/lib/paperclip/storage/no_cache_s3.rb
@@ -97,7 +97,7 @@ module Paperclip
         return unless synced_to?(self.class.main_store_id)
 
         if self.class.download_by_url
-          create_tempfile(URI.parse(presigned_url(style)).open)
+          create_tempfile(URI.parse(presigned_url(style)).open.read)
         else
           download_from_store(self.class.main_store_id, style_key)
         end