diff --git a/src/topics/unread.js b/src/topics/unread.js
index d9f23d4b91..2627f5e78f 100644
--- a/src/topics/unread.js
+++ b/src/topics/unread.js
@@ -228,7 +228,7 @@ module.exports = function(Topics) {
 				for (var i=0; i<tids.length; ++i) {
 					Topics.markTopicNotificationsRead(tids[i], uid);
 				}
-				Topics.markAsRead(uid, tids, next);
+				Topics.markAsRead(tids, uid, next);
 			},
 			function (markedRead, next) {
 				db.delete('uid:' + uid + ':tids_unread', next);