diff --git a/4chan_x.user.js b/4chan_x.user.js
index 86ee3fef4..202a2ab26 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -910,6 +910,9 @@
           rect = td.getBoundingClientRect();
           if (rect.top > 0 && rect.bottom < d.body.clientHeight) {
             next = $.x('following::td[@class="reply"]', td);
+            if ($.x('ancestor::div[@class="thread"]/div', next) !== thread) {
+              return;
+            }
             rect = next.getBoundingClientRect();
             if (rect.top > 0 && rect.bottom < d.body.clientHeight) {
               next.className = 'replyhl';
diff --git a/changelog b/changelog
index ca4c84b9a..6ccd0df30 100644
--- a/changelog
+++ b/changelog
@@ -6,6 +6,7 @@
   - fix options centering on Opera
   - fix append '#watch' only when auto watch is enabled
   - fix cooldown with the normal post form
+  - fix `Select next reply` hotkey behaviour
 - aeosynth:
   - keep options dialog at constant size
   - drop firefox 3.6 support (again...)
diff --git a/script.coffee b/script.coffee
index 2a46031bb..f7abf1d2d 100644
--- a/script.coffee
+++ b/script.coffee
@@ -659,6 +659,7 @@ keybinds =
         rect = td.getBoundingClientRect()
         if rect.top > 0 and rect.bottom < d.body.clientHeight #you're fully visible
           next = $.x 'following::td[@class="reply"]', td
+          return if $.x('ancestor::div[@class="thread"]/div', next) isnt thread
           rect = next.getBoundingClientRect()
           if rect.top > 0 and rect.bottom < d.body.clientHeight #and so is the next
             next.className = 'replyhl'