diff --git a/components/asio/port/include/esp_asio_config.h b/components/asio/port/include/esp_asio_config.h
index cba316527..3f3a9b03e 100644
--- a/components/asio/port/include/esp_asio_config.h
+++ b/components/asio/port/include/esp_asio_config.h
@@ -18,6 +18,11 @@
 #  define ASIO_NO_TYPEID
 # endif   // CONFIG_COMPILER_RTTI
 
+//
+// Supress OpenSSL deprecation warning, when building ASIO
+//
+#define ESP_OPENSSL_SUPPRESS_LEGACY_WARNING
+
 //
 // LWIP compatibility inet and address macros/functions
 //