diff --git a/include/haproxy/openssl-compat.h b/include/haproxy/openssl-compat.h
index eb96703a5..95d924d65 100644
--- a/include/haproxy/openssl-compat.h
+++ b/include/haproxy/openssl-compat.h
@@ -41,7 +41,7 @@
 #define OpenSSL_version_num     SSLeay
 #endif
 
-#if (LIBRESSL_VERSION_NUMBER >= 0x2070100fL) || defined(OPENSSL_IS_BORINGSSL) || (!defined(LIBRESSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x10100000L))
+#if (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x2070100fL) || defined(OPENSSL_IS_BORINGSSL) || (!defined(LIBRESSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x10100000L))
 #define HAVE_SSL_EXTRACT_RANDOM
 #endif