diff --git a/blog/templates/first-edition/page.html b/blog/templates/first-edition/page.html
index dc69da14..e2715bf9 100644
--- a/blog/templates/first-edition/page.html
+++ b/blog/templates/first-edition/page.html
@@ -15,7 +15,7 @@
         <b>No longer updated!</b> You are viewing the a post of the first edition of “Writing an OS in Rust”, which is no longer updated. You can find the second edition <a href="{{ get_url(path = "./second-edition/_index.md") }}">here</a>.
     </div>
 
-    <aside id="toc">
+    <aside id="toc-aside">
         <h2>Table of Contents</h2>
         <ol>
             {% for h2 in page.toc %}<li>