diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 0614667a9..5eeffd2d9 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -2165,7 +2165,7 @@ set_ssl_version_min_max(SSL_CTX *ctx, struct connectdata *conn)
   long curl_ssl_version_max;
 
   /* convert cURL min SSL version option to OpenSSL constant */
-#ifdef OPENSSL_IS_BORINGSSL
+#if defined(OPENSSL_IS_BORINGSSL) || defined(LIBRESSL_VERSION_NUMBER)
   uint16_t ossl_ssl_version_min = 0;
   uint16_t ossl_ssl_version_max = 0;
 #else