diff --git a/app/blueprints/todo/__init__.py b/app/blueprints/todo/__init__.py
index aada86e3..a0e881c0 100644
--- a/app/blueprints/todo/__init__.py
+++ b/app/blueprints/todo/__init__.py
@@ -131,7 +131,7 @@ def tags():
 
 	only_no_tags = isYes(request.args.get("no_tags"))
 	if only_no_tags:
-		query = query.filter(Package.tags.is_(None))
+		query = query.filter(Package.tags==None)
 
 	tags = Tag.query.order_by(db.asc(Tag.title)).all()
 
diff --git a/app/tasks/usertasks.py b/app/tasks/usertasks.py
index 37caba93..0f45457a 100644
--- a/app/tasks/usertasks.py
+++ b/app/tasks/usertasks.py
@@ -27,7 +27,7 @@ from app.tasks import celery
 def delete_inactive_users():
 	threshold = datetime.datetime.now() - datetime.timedelta(hours=5)
 
-	users = User.query.filter(User.is_active == False, User.packages.is_(None), User.forum_topics.is_(None),
+	users = User.query.filter(User.is_active == False, User.packages == None, User.forum_topics == None,
 			User.created_at <= threshold, User.rank == UserRank.NOT_JOINED).all()
 	for user in users:
 		db.session.delete(user)