diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2f93054bf..c0deb7b33 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -83,7 +83,7 @@ android test:
 test_reproducible:
   stage: check_reproducibility
   script:
-    - "curl -X POST -F token=${RELEASE_CHECK_TOKEN} -F ref=master -F variables[RELEASE_TAG]=${CI_COMMIT_REF_NAME} https://code.briarproject.org/api/v4/projects/61/trigger/pipeline"
+    - "curl -X POST -F token=${RELEASE_CHECK_TOKEN} -F ref=master -F variables[RELEASE_TAG]='briar ${CI_COMMIT_REF_NAME}' https://code.briarproject.org/api/v4/projects/61/trigger/pipeline"
   only:
     - tags