diff --git a/examples/DDDB/scripts/extract_dddb.sh b/examples/DDDB/scripts/extract_dddb.sh
index 01f9f72f749edb138dd415fb3ab6d4aa1999e028..382845eefed99941ce27a8d431b8fe39865397d5 100755
--- a/examples/DDDB/scripts/extract_dddb.sh
+++ b/examples/DDDB/scripts/extract_dddb.sh
@@ -70,6 +70,10 @@ if test -d ${target}/DDDB; then
     echo "DDDB database is already extracted to ${target}. Nothing to do.";
 elif test ! -f ${source}; then
     echo "DDDB database tar file $source is not present. [Installation FAILED]";
+    echo "ls -laF /builds/CLICdp/DD4hep/examples/DDDB";
+    ls -laF /builds/CLICdp/DD4hep/examples/DDDB;
+    echo "ls -laF /builds/CLICdp/DD4hep/examples/DDDB/data";
+    ls -laF /builds/CLICdp/DD4hep/examples/DDDB/data;
     exit 2;  # ENOENT
 else
     mkdir -p ${target}/DDDB;