diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 200fbda..1d700a4 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -599,7 +599,7 @@
 struct rpc_program		nlm_program = {
 		.name		= "lockd",
 		.number		= NLM_PROGRAM,
-		.nrvers		= sizeof(nlm_versions) / sizeof(nlm_versions[0]),
+		.nrvers		= ARRAY_SIZE(nlm_versions),
 		.version	= nlm_versions,
 		.stats		= &nlm_stats,
 };