diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6002cad6ac56179264de194eef39db514f82a270..fe042d358c276eb45fadabfc1337318d83fa0fc2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,5 +29,5 @@ trigger_cb_pipeline:
   tags:
     - docker
   script:
-    - 'curl --fail --request POST --form token=$CB_TRIGGER_TOKEN --form ref=master "$CB_TRIGGER_API_URL"'
+    - 'curl --fail --request POST --form token=$CB_TRIGGER_TOKEN --form ref=master --form "variables[WALBERLA_GITLAB_INSTANCE]=https://i10git.cs.fau.de" --form "variables[WALBERLA_PROJECT_ID]=walberla/walberla" --form "variables[WALBERLA_BRANCH]=master" "$CB_TRIGGER_API_URL"'
   when: manual