diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bdc9a202da057fd470137d3e117fcc7c651504a7..a2502a9efcb27b5705d011796db01f5b6b0667ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -120,6 +120,7 @@ zdc_benchmark:
   tags:
     - sodium
   script:
+    - ls -lrth sim_output
     - root -b -q calorimeters/simple_checking.cxx+
   allow_failure: true