diff --git a/.codechina-ci.yml b/.codechina-ci.yml
index 6928c460c3efea9ddd28c481b2947419333e099d..9ae8174c3ca16e64df9a79a2bf31edca82b0a64a 100644
--- a/.codechina-ci.yml
+++ b/.codechina-ci.yml
@@ -3,6 +3,7 @@ image: ruby:latest
 variables:
   JEKYLL_ENV: production
   LC_ALL: C.UTF-8
+  CI_DEFAULT_BRANCH: pages
 
 before_script:
   - gem install bundler