diff --git a/usr.sbin/rpc.lockd/kern.c b/usr.sbin/rpc.lockd/kern.c
index b9377132d4b6..416b77dc2347 100644
--- a/usr.sbin/rpc.lockd/kern.c
+++ b/usr.sbin/rpc.lockd/kern.c
@@ -83,7 +83,7 @@ nfslockdans(int vers, struct lockd_ans *ansp)
 {
 
 	ansp->la_vers = vers;
-	return (write(devfd, ansp, sizeof *ansp));
+	return (write(devfd, ansp, sizeof *ansp) <= 0);
 }
 
 /*