diff --git a/.github/workflows/start_slab.yml b/.github/workflows/start_slab.yml
index 102eb15d6..56d65507e 100644
--- a/.github/workflows/start_slab.yml
+++ b/.github/workflows/start_slab.yml
@@ -42,7 +42,7 @@ jobs:
         shell: bash
         run: |
           GIT_SHA="$(git --no-pager show -s --format="%H" origin/${{ env.GIT_REF }})"
-          echo -n '{"command": "compiler-cpu-build", "git_ref": "test-with-david", "sha":"'${GIT_SHA}'"}' > command.json
+          echo -n '{"command": "compiler-cpu-build", "git_ref": "${{ env.GIT_REF }}", "sha":"'${GIT_SHA}'"}' > command.json
           cat command.json
           SIGNATURE="$(slab/scripts/hmac_calculator.sh command.json '${{ secrets.JOB_SECRET }}')"
           curl -v -k \