diff --git a/dask_sphinx_theme/layout.html b/dask_sphinx_theme/layout.html
index 2de4bff..455e08b 100644
--- a/dask_sphinx_theme/layout.html
+++ b/dask_sphinx_theme/layout.html
@@ -1,4 +1,5 @@
-{% extends "sphinx_book_theme/layout.html" %} {%- block content %}
+{%- set favicon_url = favicon_url or ('_static/' + ('images/favicon.svg')) %} {%
+extends "sphinx_book_theme/layout.html" %} {%- block content %}