diff --git a/files/routes/comments.py b/files/routes/comments.py
index d1a755466..4dc01b224 100644
--- a/files/routes/comments.py
+++ b/files/routes/comments.py
@@ -409,7 +409,7 @@ def comment(v):
 		post_target.bump_utc = c.created_utc
 		g.db.add(post_target)
 
-	if c.level >= 3:
+	if c.level >= 3 and c.parent_comment.author_id in notify_users:
 		n = g.db.query(Notification).filter_by(
 			comment_id=c.parent_comment.parent_comment_id,
 			user_id=c.parent_comment.author_id,