diff --git a/4chan_x.user.js b/4chan_x.user.js
index 31aef9d43..450ae3887 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1761,7 +1761,7 @@
             input.disabled = true;
             input.value = 404;
           }
-          d.title = d.title.match(/.+- /)[0] + 404;
+          d.title = d.title.match(/.+-/)[0] + ' ' + 404;
           g.dead = true;
           Favicon.update();
           return;
diff --git a/script.coffee b/script.coffee
index db8ec4f3b..49ddf9c20 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1432,7 +1432,8 @@ updater =
         for input in $$ '#com_submit'
           input.disabled = true
           input.value = 404
-        d.title = d.title.match(/.+- /)[0] + 404
+        # XXX Firefox - trailing spaces are trimmed
+        d.title = d.title.match(/.+-/)[0] + ' ' + 404
         g.dead = true
         Favicon.update()
         return