diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1cdd0330618f81ea66b046530c6e15d36b524cb6..87dfa9143a117e25dbe6876d36ba2e9a8408e108 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,7 +32,7 @@ opam:
   stage: opam
   script:
   # Send a trigger to the repository doing the work
-  - curl --fail -X POST -F "token=$OPAM_UPDATE_SECRET" -F "ref=master" -F "variables[REPO]=${CI_PROJECT_URL}.git" -F "variables[REF]=$CI_COMMIT_REF_NAME" -F "variables[SHA]=$CI_COMMIT_SHA" -F "variables[NAME]=$OPAM_PKG" https://gitlab.mpi-sws.org/api/v3/projects/581/trigger/builds
+  - curl --fail -X POST -F "token=$OPAM_UPDATE_SECRET" -F "ref=master" -F "variables[REPO]=$CI_PROJECT_URL.git" -F "variables[REF]=$CI_COMMIT_REF_NAME" -F "variables[SHA]=$CI_COMMIT_SHA" -F "variables[NAME]=$OPAM_PKG" https://gitlab.mpi-sws.org/api/v3/projects/581/trigger/builds
   variables:
     OPAM_PKG: "coq-stdpp"
   only: