diff --git a/sphinx/themes/basic/layout.html b/sphinx/themes/basic/layout.html
index c844dabc8..13b7cc57f 100644
--- a/sphinx/themes/basic/layout.html
+++ b/sphinx/themes/basic/layout.html
@@ -91,7 +91,7 @@
     <link rel="stylesheet" href="{{ pathto('_static/' + style, 1) }}" type="text/css" />
     <link rel="stylesheet" href="{{ pathto('_static/pygments.css', 1) }}" type="text/css" />
     {%- for cssfile in css_files %}
-    <link rel="stylesheet" href="{{ pathto('_static/' + cssfile, 1) }}" type="text/css" />
+    <link rel="stylesheet" href="{{ pathto(cssfile, 1) }}" type="text/css" />
     {%- endfor %}
     {%- if not embedded %}
     <script type="text/javascript">