diff --git a/docs/website/.gitlab-ci.yml b/docs/website/.gitlab-ci.yml
index d6f539ba..4ac7f6d0 100644
--- a/docs/website/.gitlab-ci.yml
+++ b/docs/website/.gitlab-ci.yml
@@ -8,6 +8,7 @@ mkdocs:
     - ls
     - 'echo "repo_url: $CI_PROJECT_URL">>mkdocs.yml'
     - 'echo "repo_name: $CI_PROJECT_TITLE">>mkdocs.yml'
+    - 'echo "site_url: $CI_PAGES_URL">>mkdocs.yml'
 
   script:
     - pwd