diff --git a/public/src/client/topic/fork.js b/public/src/client/topic/fork.js
index 8e95ee6d9a..c29dc90f8f 100644
--- a/public/src/client/topic/fork.js
+++ b/public/src/client/topic/fork.js
@@ -118,7 +118,7 @@ define('forum/topic/fork', ['components'], function(components) {
 
 			if (pids.length) {
 				pids.sort(function(a,b) { return a - b; });
-				forkModal.find('#fork-pids').html(pids.toString());
+				forkModal.find('#fork-pids').html(pids.join(', '));
 			} else {
 				showNoPostsSelected();
 			}