diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 256db65ac3eeb08a9f12c26f84a80ee27b907c91..b32e10da5b541c19fe5b08c9c7a4cac1bca2a710 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,7 @@ variables:
   cache:
     key: "$CI_JOB_NAME"
     paths:
-    - opamroot/
+    - _opam/
   only:
   - master
   - /^ci/