diff --git a/app/logical/source/url.rb b/app/logical/source/url.rb
index 3944aea5b..69db14674 100644
--- a/app/logical/source/url.rb
+++ b/app/logical/source/url.rb
@@ -18,6 +18,7 @@
 module Source
   class URL < Danbooru::URL
     SUBCLASSES = [
+      Source::URL::Pixiv,
       Source::URL::Twitter,
       Source::URL::ArtStation,
       Source::URL::Fanbox,