diff --git a/ext/openssl/openssl.c b/ext/openssl/openssl.c
index ab6ad031694..3593cdc3e08 100644
--- a/ext/openssl/openssl.c
+++ b/ext/openssl/openssl.c
@@ -668,7 +668,7 @@ int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key)
 	return 1;
 }
 
-#if OPENSSL_VERSION_NUMBER < 0x10002000L
+#if OPENSSL_VERSION_NUMBER < 0x10002000L || defined (LIBRESSL_VERSION_NUMBER)
 
 static int X509_get_signature_nid(const X509 *x)
 {