diff --git a/app/logical/pixiv_ugoira_converter.rb b/app/logical/pixiv_ugoira_converter.rb
index 7179406db..fd061e39e 100644
--- a/app/logical/pixiv_ugoira_converter.rb
+++ b/app/logical/pixiv_ugoira_converter.rb
@@ -73,7 +73,7 @@ class PixivUgoiraConverter
 
     DanbooruImageResizer.crop(file, Danbooru.config.small_image_width, Danbooru.config.small_image_width, 85)
   ensure
-    file.close!
+    file&.close!
   end
 
   def self.generate_preview(ugoira_file)