diff --git a/script/dev-toc/generate.js b/script/dev-toc/generate.js
index 955ccd154d..49a3625fc0 100755
--- a/script/dev-toc/generate.js
+++ b/script/dev-toc/generate.js
@@ -30,7 +30,7 @@ async function main() {
     if (!fs.existsSync(versionStaticDir)) fs.mkdirSync(versionStaticDir)
 
     // Create a versioned filename.
-    const filename = path.posix.join(versionStaticDir, 'dev-toc.html')
+    const filename = path.posix.join(versionStaticDir, 'index.html')
 
     // Create a minimal context object.
     await contextualize(req, res, next)
@@ -46,7 +46,7 @@ async function main() {
   }
 
   // Default to FPT for the file to open.
-  const fptFile = path.posix.join(staticDirName, fpt, 'dev-toc.html')
+  const fptFile = path.posix.join(staticDirName, fpt, 'index.html')
 
   execSync(`open ${fptFile}`)
 
diff --git a/script/dev-toc/layout.html b/script/dev-toc/layout.html
index b002c78431..ee44646d8f 100644
--- a/script/dev-toc/layout.html
+++ b/script/dev-toc/layout.html
@@ -12,7 +12,7 @@
 <h3>Versions</h3>
 <ul class="versions-list" style="list-style-type:none;">
 {% for version in allVersions %}
-<li style="margin: 3px 0 0 0;"><a href="../{{ version[0] }}/dev-toc.html">{{ version[1].versionTitle }}</a>
+<li style="margin: 3px 0 0 0;"><a href="../{{ version[0] }}/index.html">{{ version[1].versionTitle }}</a>
 {% endfor %}
 </ul>