diff --git a/buildkite.yaml b/buildkite.yaml
index 43d1cf4..32fb3cb 100644
--- a/buildkite.yaml
+++ b/buildkite.yaml
@@ -24,6 +24,7 @@ steps:
       - direnv allow
       - eval "$(direnv export bash)"
       - echo +++ Run tests
+      - cd src/alejandra_engine
       - cargo tarpaulin --coveralls "${COVERALLS_REPO_TOKEN}"
 
   - label: formatting diff