diff --git a/lib/worker_multibuild.py b/lib/worker_multibuild.py
index 9fd3f34..eca7862 100644
--- a/lib/worker_multibuild.py
+++ b/lib/worker_multibuild.py
@@ -218,6 +218,7 @@ def trigger_child_hooks(buildbotUrl: str, repository, branch, revision,
             "author": "buildbot_multibuild",
             "repository": repository,
             "project": "/".join(repository.split("/")[-2:]),
+            "codebase": job,
         }
 
         retval = requests.post(request_url, headers=request_headers,