diff --git a/ads_and_trackers1.txt b/ads_and_trackers1.txt
index 7a1ed0e..e403a02 100644
--- a/ads_and_trackers1.txt
+++ b/ads_and_trackers1.txt
@@ -3575,6 +3575,7 @@ www-banner.chat.ru
 www.dnps.com
 www.facebook.com/tr/
 www.facebook.com/ajax/bz
+www.facebook.com/adnw_sync
 m.facebook.com/a/bz
 @@~www.facebook.com/api/graphql/~["referer_host eq www.facebook.com"]
 @@~www.facebook.com/api/graphql/~["referer_host eq m.facebook.com"]