diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 50f1717..5337bf4 100644
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -14,7 +14,7 @@
           </div></a>
         </div>
 
-        <ul class="md-nav__list" data-md-scrollfix="">
+        <ul id="nav-toc" class="md-nav__list" data-md-scrollfix="">
              <li class="md-nav__item md-nav__item--active">
             <input class="md-toggle md-nav__toggle" data-md-toggle="toc" id="__toc" type="checkbox"> 
                 <label class="md-nav__link md-nav__link--active" for="__toc">Home</label>