diff --git a/mkdocs.yml b/mkdocs.yml
index 2a1e8ea..aacba2e 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -45,6 +45,7 @@ markdown_extensions:
       alternate_style: true
   - pymdownx.highlight:
       anchor_linenums: true
+      guess_lang: false
   - pymdownx.inlinehilite
   - pymdownx.snippets
   - tables