diff --git a/files/helpers/alerts.py b/files/helpers/alerts.py
index a08655ecad..43bf01f671 100644
--- a/files/helpers/alerts.py
+++ b/files/helpers/alerts.py
@@ -54,7 +54,19 @@ def notif_comment(text, autojanny=False):
 
 	text_html = sanitize(text, alert=alert)
 
-	existing = g.db.query(Comment.id).filter_by(author_id=author_id, parent_submission=None, body_html=text_html).one_or_none()
+	try: existing = g.db.query(Comment.id).filter_by(author_id=author_id, parent_submission=None, body_html=text_html).one_or_none()
+	except:
+		existing = g.db.query(Comment).filter_by(author_id=author_id, parent_submission=None, body_html=text_html).all()
+		
+
+		notifs = g.db.query(Notification).filter(Notification.comment_id.in_([x.id for x in existing])).all()
+		for c in notifs: g.db.delete(c)
+		g.db.flush()
+
+		
+		for c in existing: g.db.delete(c)
+		g.db.flush()
+		existing = g.db.query(Comment.id).filter_by(author_id=author_id, parent_submission=None, body_html=text_html).one_or_none()
 	
 	if existing: return existing[0]
 	else: return create_comment(text_html, autojanny)