diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d6f6e9c9a7a430ab94e1d0ace350d71616436326..9b5c5962c9ccb089dbec791f923f6a1f3d093b91 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,13 +11,13 @@ image: registry.duniter.org/docker/python3/duniterpy-builder:0.0.4
 
 # SUB-TASKS
 .push_to_github:
-  variables:
-    GIT_STRATEGY: none
   tags:
     - github
   after_script:
+    # remove last clone
     - rm -rf ./*
     - rm -rf .git
+    # do a mirror clone
     - git clone --mirror $CI_REPOSITORY_URL .
     - git remote add github $GITHUB_URL_AND_KEY
     - git config --global user.email "contact@duniter.org"