diff --git a/4chan_x.user.js b/4chan_x.user.js
index b938c53a8..0a5cc8417 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -3843,7 +3843,7 @@
       return $.ready(Main.ready);
     },
     ready: function() {
-      var MutationObserver, form, nodes, observer;
+      var MutationObserver, form, nav, nodes, observer, _i, _len, _ref;
       if (d.title === '4chan - 404') {
         redirect.init();
         return;
@@ -3851,6 +3851,11 @@
       if (!$.id('navtopr')) return;
       $.addClass(d.body, "chanx_" + (VERSION.match(/\.(\d+)/)[1]));
       $.addClass(d.body, engine);
+      _ref = ['navtop', 'navbot'];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        nav = _ref[_i];
+        $.addClass($("a[href$='/" + g.BOARD + "/']", $.id(nav)), 'current');
+      }
       form = $('form[name=delform]');
       threading.thread(form.firstElementChild);
       Favicon.init();
diff --git a/script.coffee b/script.coffee
index 59c62feb7..2d476e352 100644
--- a/script.coffee
+++ b/script.coffee
@@ -3141,6 +3141,8 @@ Main =
       return
     $.addClass d.body, "chanx_#{VERSION.match(/\.(\d+)/)[1]}"
     $.addClass d.body, engine
+    for nav in ['navtop', 'navbot']
+      $.addClass $("a[href$='/#{g.BOARD}/']", $.id nav), 'current'
     form = $ 'form[name=delform]'
     threading.thread form.firstElementChild
     Favicon.init()