diff --git a/.gitlab/CI/build.gitlab-ci.yml b/.gitlab/CI/build.gitlab-ci.yml
index 3a1640a846..2f4fc71502 100644
--- a/.gitlab/CI/build.gitlab-ci.yml
+++ b/.gitlab/CI/build.gitlab-ci.yml
@@ -19,7 +19,7 @@ benchmarks:
     - unset DISABLE_GIT_LFS_CHECK
     - ln -s /dockercache/cache-all target
     - cargo bench
-    - TAGUUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1) || echo "ignore this returncode, dont ask me why, it works"
+    - TAGUUID="Z$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)" || echo "ignore this returncode, dont ask me why, it works"
     - echo $TAGUUID
     - echo 'SET veloren.timestamp = "'"$(git show --no-patch --no-notes --pretty='%cd' HEAD)"'";' > upload.sql
     - echo "SET veloren.branch = \$${TAGUUID}\$${CI_COMMIT_REF_NAME}\$${TAGUUID}\$;" >> upload.sql