diff --git a/chrome_point_plus/js/point-plus.js b/chrome_point_plus/js/point-plus.js
index e946fbf..6655630 100644
--- a/chrome_point_plus/js/point-plus.js
+++ b/chrome_point_plus/js/point-plus.js
@@ -64,7 +64,7 @@ function PointPlus(ppVersion) {
 
             $('body').append($side_panel);
 
-            if (options.is('option_right_panel_to_unread')) {
+            if (options.is('option_right_panel_to_unread') && $('#comments').length > 0) {
                 $go_to_unread_block = $('<div>').attr({
                     id: 'pp-go-to-unread',
                 }).click(function() {