diff --git a/mdadm.h b/mdadm.h
index 4891acf..dbf1f92 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -301,8 +301,8 @@ struct mdinfo {
 	};
 	long			bitmap_offset;	/* 0 == none, 1 == a file */
 	unsigned int		ppl_size;
-	unsigned long long	ppl_sector;
 	int			ppl_offset;
+	unsigned long long	ppl_sector;
 	unsigned long		safe_mode_delay; /* ms delay to mark clean */
 	int			new_level, delta_disks, new_layout, new_chunk;
 	int			errors;