diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4650b6cd761bb49411d219ed5965409ea022d1c1..6089d0883a1af47eb2b609454a16a2563381b409 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -31,7 +31,7 @@ build-coq.dev:
   <<: *template
   variables:
     OPAM_PINS: "coq version dev"
-    MANGLE_NAMES: "1"
+#    MANGLE_NAMES: "1" broken in Coq: https://github.com/coq/coq/issues/13348
     CI_COQCHK: "1"
 
 build-coq.8.12.0: