1 files changed, 1 insertions, 0 deletions
diff --git a/backport b/backport
index 2eb6b05..4761ee2 100755
--- a/backport
+++ b/backport
@@ -44,6 +44,7 @@ while test -n "${1}"; do
       ;;
     -*)
       echo "Error: Unknown option: $1" >&2
+      usage
       exit 1
       ;;
     *) # No more options