diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eefee7d000b8385e2b4c2837d9342e8b05bee8a8..063db38024c7fcd03f0f6956dcf460b1e3246ef4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -31,7 +31,7 @@ build-coq.dev:
   variables:
     OCAML: "ocaml-base-compiler.4.07.0"
     OPAM_PINS: "coq version dev"
-    VALIDATE: "1"
+    CI_COQCHK: "1"
 
 build-coq.8.9.0:
   <<: *template