diff --git a/docs/html/preview/preview_toc.cs b/docs/html/preview/preview_toc.cs
index 162c3a90a6a2e..8f6f8c198f0d7 100644
--- a/docs/html/preview/preview_toc.cs
+++ b/docs/html/preview/preview_toc.cs
@@ -22,6 +22,7 @@
       <li><a href="<?cs var:toroot ?>preview/material/ui-widgets.html">UI Widgets</a></li>
       <li><a href="<?cs var:toroot ?>preview/material/views-shadows.html">Views and Shadows</a></li>
       <li><a href="<?cs var:toroot ?>preview/material/animations.html">Animations</a></li>
+      <li><a href="<?cs var:toroot ?>preview/material/compatibility.html">Compatibility</a></li>
     </ul>
   </li>