diff --git a/backend/config/config.exs b/backend/config/config.exs
index dbb28ec..7106778 100644
--- a/backend/config/config.exs
+++ b/backend/config/config.exs
@@ -66,6 +66,8 @@ config :backend, :crawler,
     "gab.best",
     # spam
     "4chan.icu",
+    # spam
+    "activitypub-troll.cf",
     # *really* doesn't want to be listed on fediverse.space
     "pleroma.site",
     # dummy instances used for pleroma CI