1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/asn1/f_enum.c b/src/lib/libcrypto/asn1/f_enum.c
index 64feb97dc4..cc4b7dfc91 100644
--- a/src/lib/libcrypto/asn1/f_enum.c
+++ b/src/lib/libcrypto/asn1/f_enum.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: f_enum.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */
+/* $OpenBSD: f_enum.c,v 1.16 2018/04/25 11:48:21 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -65,7 +65,7 @@
 /* Based on a_int.c: equivalent ENUMERATED functions */
 
 int
-i2a_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *a)
+i2a_ASN1_ENUMERATED(BIO *bp, const ASN1_ENUMERATED *a)
 {
         int i, n = 0;
         static const char h[] = "0123456789ABCDEF";