diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index 2b94ea2287bb92fd882b92f81faaa36b28731f28..e94bc20016b2d2d130bb7d1d7ee640a5469c1e37 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -87,7 +87,7 @@ struct nd_cmd_ars_status {
 		__u32 handle;
 		__u32 flags;
 		__u64 err_address;
-		__u64 mask;
+		__u64 length;
 	} __packed records[0];
 } __packed;