diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index be6ed38..18d70da 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ pages:
   before_script:
     - rm Gemfile.lock
   script:
-    - bundle exec jekyll build -d public
+    - bundle exec jekyll build -d public --baseurl /minetest_modding_book
   artifacts:
     paths:
       - public