diff --git a/docs/_config.yml b/docs/_config.yml
index 692f8a4f..2ea534f1 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -1,7 +1,7 @@
 title: SLEEF Vectorized Math Library
 description: Vectorized C99 math functions across popular platforms and architectures.
 logo: img/sleef-logo-notext.svg
-favicon_ico: img/favicon.png
+favicon_ico: "/img/favicon.png"
 
 theme: just-the-docs
 footer_content: "Copyright &copy; 2010-2024 SLEEF Project, Naoki Shibata and contributors. <a href=\"https://github.com/shibatch/sleef/blob/master/LICENSE.txt\">SLEEF is open-source software and is distributed under the Boost Software License, Version 1.0.</a>"