diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0805d52709a09c372c2d5e0aa0b9fb504f5db808..75a4ee2ac3ad0daa2203a98fe2f7f172a24d0ce4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,6 +9,7 @@ buildWindows:
   - shell
   script:
   - wget https://git.duniter.org/clients/cesium-grp/cesium/-/jobs/artifacts/v$TAG/download?job=release-web -O cesium-v$TAG-web.zip
+  - vboxmanage unregistervm duniter-release-windows --delete || true
   - ./scripts/build.sh make win $TAG
   - pwd
   - ls arch/windows