diff --git a/mkdocs.yml b/mkdocs.yml
index 99e0578..2c4b6a0 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,7 +7,7 @@ site_dir: html
 markdown_extensions: [toc,tables, fenced_code]
 use_directory_urls: false
 theme: readthedocs
-extra_css: ["https://fiware.org/style/fiware_readthedocs.css", "https://fiware.org/style/fiware_readthedocs_iot.css"]
+extra_css: ["https://www.fiware.org/style/fiware_readthedocs.css", "https://www.fiware.org/style/fiware_readthedocs_iot.css"]
 pages:
     - Home: index.md
     - 'User & Programmers Manual':