1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bio/bf_null.c b/src/lib/libcrypto/bio/bf_null.c
index 25abb8a574..1a935cf26b 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 1.12 2018/05/01 13:29:09 tb Exp $ */
+/* $OpenBSD: bf_null.c,v 1.13 2022/01/07 09:02:17 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -61,6 +61,8 @@
 
 #include <openssl/bio.h>
 
+#include "bio_local.h"
+
 /* BIO_put and BIO_get both add to the digest,
  * BIO_gets returns the digest */