diff --git a/.github/workflows/demo.yaml b/.github/workflows/demo.yaml
index c2d137f..37a4475 100644
--- a/.github/workflows/demo.yaml
+++ b/.github/workflows/demo.yaml
@@ -20,6 +20,7 @@ jobs:
           docker_image: aergus/latex
           run: |
             echo "in inner container"
+            ls /home
             pwd
             ls
             echo "end inner print"