diff --git a/ponysay b/ponysay
index 9b7c2a76..1fcecad3 100755
--- a/ponysay
+++ b/ponysay
@@ -30,7 +30,7 @@ do
         v)  version; exit ;;
         h)  usage; exit ;;
         f)  pony=$OPTARG ;;
-        \?) usage; exit 1 ;;
+        \?) usage >&2; exit 1 ;;
     esac
 done