1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bio/bf_null.c b/src/lib/libcrypto/bio/bf_null.c
index 09d54b6b21..25abb8a574 100644
--- a/src/lib/libcrypto/bio/bf_null.c
+++ b/src/lib/libcrypto/bio/bf_null.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bf_null.c,v 1.11 2014/07/11 08:44:47 jsing Exp $ */
+/* $OpenBSD: bf_null.c,v 1.12 2018/05/01 13:29:09 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -73,7 +73,7 @@ static int nullf_new(BIO *h);
 static int nullf_free(BIO *data);
 static long nullf_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
 
-static BIO_METHOD methods_nullf = {
+static const BIO_METHOD methods_nullf = {
         .type = BIO_TYPE_NULL_FILTER,
         .name = "NULL filter",
         .bwrite = nullf_write,
@@ -86,7 +86,7 @@ static BIO_METHOD methods_nullf = {
         .callback_ctrl = nullf_callback_ctrl
 };
 
-BIO_METHOD *
+const BIO_METHOD *
 BIO_f_null(void)
 {
         return (&methods_nullf);