diff --git a/public/src/client/category.js b/public/src/client/category.js
index aab6895871..9e461734a5 100644
--- a/public/src/client/category.js
+++ b/public/src/client/category.js
@@ -180,6 +180,11 @@ define('forum/category', ['composer', 'forum/pagination', 'forum/infinitescroll'
 	}
 
 	Category.onNewTopic = function(topic) {
+		var	cid = ajaxify.variables.get('category_id');
+		if(!topic || parseInt(topic.cid, 10) !== parseInt(cid, 10)) {
+			return;
+		}
+
 		$(window).trigger('filter:categories.new_topic', topic);
 
 		templates.parse('category', 'topics', {
diff --git a/public/src/client/topic.js b/public/src/client/topic.js
index 45eb9de612..38e690caa6 100644
--- a/public/src/client/topic.js
+++ b/public/src/client/topic.js
@@ -143,7 +143,7 @@ define('forum/topic', dependencies, function(pagination, infinitescroll, threadT
 
 	function onNewPost(data) {
 		var tid = ajaxify.variables.get('topic_id');
-		if(data && data.posts && data.posts.length && data.posts[0].tid !== tid) {
+		if(data && data.posts && data.posts.length && parseInt(data.posts[0].tid, 10) !== parseInt(tid, 10)) {
 			return;
 		}