diff --git a/polystrap.sh b/polystrap.sh
index 9216481..81081a9 100755
--- a/polystrap.sh
+++ b/polystrap.sh
@@ -94,7 +94,7 @@ echo "I: mirror:  $MIRROR"
 echo "I: pkgs:    $PACKAGES"
 echo "I: --------------------------"
 
-[ -e "$ROOTDIR.tar" ] && { echo "tarball still exists" >&2; exit 1; }
+[ -e "$ROOTDIR.tar" ] && { echo "tarball $ROOTDIR.tar still exists" >&2; exit 1; }
 [ -e "$ROOTDIR" ] && { echo "root directory $ROOTDIR still exists" >&2; exit 1; }
 
 # create multistrap.conf