diff --git a/public/src/client/topic/posts.js b/public/src/client/topic/posts.js
index e82ab448f4..070a97fa5b 100644
--- a/public/src/client/topic/posts.js
+++ b/public/src/client/topic/posts.js
@@ -24,6 +24,7 @@ define('forum/topic/posts', [
 		for (var i=0; i<data.posts.length; ++i) {
 			var cmp = components.get('user/postcount', data.posts[i].uid);
 			cmp.html(parseInt(cmp.attr('data-postcount'), 10) + 1);
+			utils.addCommasToNumbers(cmp);
 		}
 
 		createNewPosts(data, components.get('post').not('[data-index=0]'), function(html) {