diff --git a/mkdocs.yml b/mkdocs.yml
index 7ffa4ac..5c7fc56 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -64,8 +64,8 @@ markdown_extensions:
   - admonition
   - pymdownx.details
   - pymdownx.emoji:
-    emoji_index: "material.extensions.emoji.twemoji"
-    emoji_generator: "material.extensions.emoji.to_svg"
+      emoji_index: !!python/name:material.extensions.emoji.twemoji
+      emoji_generator: !!python/name:material.extensions.emoji.to_svg
   - attr_list
   - md_in_html
   - tables