diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index d3e8a90297..3b95ab1053 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -52,7 +52,9 @@ steps:
       POSTGRES: "1"
     command:
       - "bash .buildkite/merge_base_branch.sh"
+      - "pwd"
       - "ls"
+      - "ls /"
       - "bash /synapse_sytest.sh"
     plugins:
       - docker#v3.0.1: