diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 286ea584cc95f7c21832b6fcea3cdb71398ee660..754a49bdc27c72fd6c9afe40eec85b765113e89f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,6 +33,7 @@ build-coq.8.17.0:
   variables:
     OPAM_PINS: "coq version 8.17.0"
     DENY_WARNINGS: "1"
+    MANGLE_NAMES: "1"
   tags:
   - fp-timing