--- sys/nfsclient/nfs_subs.c
+++ sys/nfsclient/nfs_subs.c
@@ -548,8 +545,8 @@
 	vap->va_rdev = rdev;
 	mtime_save = vap->va_mtime;
 	vap->va_mtime = mtime;
-	vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
 	if (v3) {
+		vap->va_fsid = fxdr_hyper(&fp->fa3_fsid);
 		vap->va_nlink = fxdr_unsigned(u_short, fp->fa_nlink);
 		vap->va_uid = fxdr_unsigned(uid_t, fp->fa_uid);
 		vap->va_gid = fxdr_unsigned(gid_t, fp->fa_gid);
@@ -563,6 +560,7 @@
 		vap->va_flags = 0;
 		vap->va_filerev = 0;
 	} else {
+		vap->va_fsid = fxdr_unsigned(u_int32_t, fp->fa2_fsid);
 		vap->va_nlink = fxdr_unsigned(u_short, fp->fa_nlink);
 		vap->va_uid = fxdr_unsigned(uid_t, fp->fa_uid);
 		vap->va_gid = fxdr_unsigned(gid_t, fp->fa_gid);