diff --git a/base-image-script/debian-build_pt3.sh b/base-image-script/debian-build_pt3.sh
index 140896f..9a7c199 100644
--- a/base-image-script/debian-build_pt3.sh
+++ b/base-image-script/debian-build_pt3.sh
@@ -27,10 +27,16 @@ rm -f "$ROOTFS_DIR/root/${ROOTFS_DIR}_pt2.sh" 2>/dev/null || true
 echo "[INFO] Rootfs size:"
 du -sh "$ROOTFS_DIR"
 
+mkdir -p /output
+
 echo "[INFO] Creating compressed base image..."
 tar -cjf "$TARBALL" -C "$ROOTFS_DIR" .
 
 echo "[INFO] Image archive size:"
 du -sh "$TARBALL"
 
+# Debug listing output dir
+echo "[DEBUG] Listing /output:"
+ls -lh /output
+
 echo "[INFO] Tarball ready for CI to upload: $TARBALL"