--- a/src/tls_openssl.c
+++ b/src/tls_openssl.c
@@ -51,7 +51,7 @@
 
 void tls_initialize(void)
 {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
     SSL_library_init();
     SSL_load_error_strings();
 #else
@@ -120,7 +120,7 @@
         /* Trust server's certificate when user sets the flag explicitly. */
         mode = conn->tls_trust ? SSL_VERIFY_NONE : SSL_VERIFY_PEER;
         SSL_set_verify(tls->ssl, mode, 0);
-#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L && (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x2070000fL)
         /* Hostname verification is supported in OpenSSL 1.0.2 and newer. */
         X509_VERIFY_PARAM *param = SSL_get0_param(tls->ssl);