diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 70da4852bf87c1274f310f7385f355c89f2af9f4..81df51582c4dec03b95296ea3e2fce69e971ff7d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -74,6 +74,7 @@ build-stdpp.dev-coq.dev:
   <<: *template
   variables:
     OPAM_PINS: "coq version dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV"
+    CI_COQCHK: "1"
   except:
   only:
   - triggers