diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7c218fd1ec21fb613a575682505dc3f98eb8e0db..bfc919fd3f069b75f05b5e640488488121fb35fe 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -105,6 +105,8 @@ static int nfs4_map_errors(int err)
 		return -EINVAL;
 	case -NFS4ERR_SHARE_DENIED:
 		return -EACCES;
+	case -NFS4ERR_MINOR_VERS_MISMATCH:
+		return -EPROTONOSUPPORT;
 	default:
 		dprintk("%s could not handle NFSv4 error %d\n",
 				__func__, -err);