diff --git a/.github/workflows/build_master.yml b/.github/workflows/build_master.yml
index ebca1f9e4..763008c25 100644
--- a/.github/workflows/build_master.yml
+++ b/.github/workflows/build_master.yml
@@ -40,6 +40,7 @@ jobs:
         run: |
           set -euo pipefail
 
+          pwd
           ls -la
           ls -la book