diff --git a/doc/src/_static/psycopg.css b/doc/src/_static/psycopg.css
index a5d5b3a6..7d7bf786 100644
--- a/doc/src/_static/psycopg.css
+++ b/doc/src/_static/psycopg.css
@@ -1,4 +1,4 @@
-@import url("default.css");
+@import url("classic.css");
 
 blockquote {
     font-style: italic;
diff --git a/doc/src/conf.py b/doc/src/conf.py
index a918c08c..9e73308b 100644
--- a/doc/src/conf.py
+++ b/doc/src/conf.py
@@ -127,7 +127,7 @@ rst_epilog = """
 
 # The theme to use for HTML and HTML Help pages.  Major themes that come with
 # Sphinx are currently 'default' and 'sphinxdoc'.
-html_theme = 'default'
+html_theme = 'classic'
 
 # The stylesheet to use with HTML output: this will include the original one
 # adding a few classes.