--- a/src/lib/crypto.c
+++ b/src/lib/crypto.c
@@ -195,7 +195,7 @@
 IMPLEMENT_ASN1_FUNCTIONS(SignatureData)
 IMPLEMENT_ASN1_FUNCTIONS(CryptoData)
 
-#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
 DEFINE_STACK_OF(SignerInfo);
 DEFINE_STACK_OF(RecipientInfo);
 #else
--- a/src/lib/tls.c
+++ b/src/lib/tls.c
@@ -116,7 +116,7 @@
    ctx = (TLS_CONTEXT *)malloc(sizeof(TLS_CONTEXT));
 
    /* Allocate our OpenSSL TLS Context */
-#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
    /* Allows SSLv3, TLSv1, TLSv1.1 and TLSv1.2 protocols */
    ctx->openssl = SSL_CTX_new(TLS_method());