--- modules/ssl/ssl_util_stapling.c.orig 2017-06-20 20:02:47.000000000 -0700 +++ modules/ssl/ssl_util_stapling.c 2017-06-20 20:04:50.000000000 -0700 @@ -91,7 +91,7 @@ for (i = 0; i < sk_X509_num(extra_certs); i++) { issuer = sk_X509_value(extra_certs, i); if (X509_check_issued(issuer, x) == X509_V_OK) { -#if OPENSSL_VERSION_NUMBER < 0x10100000L +#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER) CRYPTO_add(&issuer->references, 1, CRYPTO_LOCK_X509); #else X509_up_ref(issuer);