diff --git a/.github/workflows/drc.yml b/.github/workflows/drc.yml
index 23f3e1e..083021f 100644
--- a/.github/workflows/drc.yml
+++ b/.github/workflows/drc.yml
@@ -44,6 +44,8 @@ jobs:
         steps:
             -   name: Get all files
                 uses: actions/checkout@master
+            -   name: list
+                run: ls
     install_Klayout:
         needs: copy_repo
         runs-on: ubuntu-latest