1 files changed, 1 insertions, 1 deletions
diff --git a/mkfs.c b/mkfs.c
index 4f5ee07e..16e92221 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -350,7 +350,7 @@ static struct option long_options[] = {
 	{ "version", 0, NULL, 'V' },
 	{ "rootdir", 1, NULL, 'r' },
 	{ "nodiscard", 0, NULL, 'K' },
-	{ "features", 0, NULL, 'O' },
+	{ "features", 1, NULL, 'O' },
 	{ NULL, 0, NULL, 0}
 };