diff --git a/src/notifications.js b/src/notifications.js
index ce46197e5c..6335c1a8fd 100644
--- a/src/notifications.js
+++ b/src/notifications.js
@@ -219,7 +219,7 @@ var async = require('async'),
 
 	Notifications.markRead = function(nid, uid, callback) {
 		callback = callback || function() {};
-		if (!parseInt(uid, 10) || !parseInt(nid, 10)) {
+		if (!parseInt(uid, 10) || !nid) {
 			return callback();
 		}
 		Notifications.markReadMultiple([nid], uid, callback);