diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 07730bae9462e51f29dc0a88800d18d003728ed6..12599ed84672cd6ba41d89b6f223534841ccb180 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,7 @@ variables:
   cache:
     key: "$CI_JOB_NAME"
     paths:
-    - opamroot/
+    - _opam/
   only:
   - master@iris/stdpp
   - /^ci/@iris/stdpp