diff --git a/4chan_x.user.js b/4chan_x.user.js
index e55d50fb0..a27644183 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1747,7 +1747,7 @@
           updater.timer.textContent = '';
           updater.count.textContent = 404;
           updater.count.className = 'error';
-          window.clearInterval(updater.intervalID);
+          clearTimeout(updater.timeoutID);
           _ref = $$('#com_submit');
           for (_i = 0, _len = _ref.length; _i < _len; _i++) {
             input = _ref[_i];
diff --git a/changelog b/changelog
index ee029bdd8..50ad0882e 100644
--- a/changelog
+++ b/changelog
@@ -1,4 +1,6 @@
 master
+- mayhem
+  fix updater refreshing 404'd threads
 
 2.18.3
 - mayhem
diff --git a/script.coffee b/script.coffee
index 765270561..257602864 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1438,7 +1438,7 @@ updater =
         updater.timer.textContent = ''
         updater.count.textContent = 404
         updater.count.className = 'error'
-        window.clearInterval updater.intervalID
+        clearTimeout updater.timeoutID
         for input in $$ '#com_submit'
           input.disabled = true
           input.value = 404