diff --git a/sys/fs/nfs/nfs_commonsubs.c b/sys/fs/nfs/nfs_commonsubs.c
index cc701e0a056..6625180f137 100644
--- a/sys/fs/nfs/nfs_commonsubs.c
+++ b/sys/fs/nfs/nfs_commonsubs.c
@@ -63,8 +63,8 @@ int nfsrv_useacl = 1;
 struct nfssockreq nfsrv_nfsuserdsock;
 int nfsrv_nfsuserd = 0;
 struct nfsreqhead nfsd_reqq;
-uid_t nfsrv_defaultuid = 65534;
-gid_t nfsrv_defaultgid = 65533;
+uid_t nfsrv_defaultuid;
+gid_t nfsrv_defaultgid;
 int nfsrv_lease = NFSRV_LEASE;
 int ncl_mbuf_mlen = MLEN;
 int nfsd_enable_stringtouid = 0;