diff --git a/.github/workflows/source-vendor.yml b/.github/workflows/source-vendor.yml
index faa7533188d..023d24dc98c 100644
--- a/.github/workflows/source-vendor.yml
+++ b/.github/workflows/source-vendor.yml
@@ -22,7 +22,9 @@ jobs:
           ls -a libs/cxxopts
           git ls-files > files_to_include.txt
           git submodule foreach --recursive 'git ls-files | sed "s|^|$path/|"' >> files_to_include.txt
-
+          echo trying to include the following files:
+          cat files_to_include.txt
+          echo tar:
           # Create a gzipped tarball using the list of files
           tar -czf yosys-src-vendored.tar.gz -T files_to_include.txt
       - name: Upload tarball artifact