diff --git a/mkdocs.yml b/mkdocs.yml
index c9b6619bae65c191cb20f9b4fb667ca7996863f3..8ded24716eaa1e95de8a380b35820f1f6fe6f0f4 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -182,7 +182,5 @@ pages:
     - Licensing and Available Versions: salomon/software/ansys/setting-license-preferences.md
   - PBSPro Documentation: pbspro-documentation/sitemap.md
 
-markdown_extensions:
-    - toc:
-        permalink: 
-    - admonition:
+  - markdown.extensions.toc:
+      slugify: !!python/name:pymdownx.headeranchor.uslugify