1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bio/bss_null.c b/src/lib/libcrypto/bio/bss_null.c
index c6de844da5..8a15b36b31 100644
--- a/src/lib/libcrypto/bio/bss_null.c
+++ b/src/lib/libcrypto/bio/bss_null.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bss_null.c,v 1.11 2018/05/01 13:29:10 tb Exp $ */
+/* $OpenBSD: bss_null.c,v 1.12 2022/01/07 09:02:17 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -62,6 +62,8 @@
 
 #include <openssl/bio.h>
 
+#include "bio_local.h"
+
 static int null_write(BIO *h, const char *buf, int num);
 static int null_read(BIO *h, char *buf, int size);
 static int null_puts(BIO *h, const char *str);