diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 2681c70283ce..e12409eca7cc 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -675,7 +675,7 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
 
 		/* Client gets 2 lease periods to return it */
 		cutoff = ktime_add_ns(task->tk_start,
-					 nn->nfsd4_lease * NSEC_PER_SEC * 2);
+					 (u64)nn->nfsd4_lease * NSEC_PER_SEC * 2);
 
 		if (ktime_before(now, cutoff)) {
 			rpc_delay(task, HZ/100); /* 10 mili-seconds */