diff --git a/src/routes/feeds.js b/src/routes/feeds.js
index 8b84fafde2..1b18024742 100644
--- a/src/routes/feeds.js
+++ b/src/routes/feeds.js
@@ -53,7 +53,7 @@
 
 
 	function generateForTopic(req, res, next) {
-		var tid = req.params.tid;
+		var tid = req.params.topic_id;
 
 		topics.getTopicWithPosts(tid, 0, 0, 25, true, function (err, topicData) {
 			if (err) {