diff --git a/lib/client.c b/lib/client.c
index 663a974b..1919f030 100755
--- a/lib/client.c
+++ b/lib/client.c
@@ -960,12 +960,14 @@ check_accept:
        wsi->u.ws.rx_ubuf_alloc = n;
 	lwsl_info("Allocating client RX buffer %d\n", n);
 
+#if !defined(LWS_WITH_ESP32)
 	if (setsockopt(wsi->desc.sockfd, SOL_SOCKET, SO_SNDBUF, (const char *)&n,
 		       sizeof n)) {
 		lwsl_warn("Failed to set SNDBUF to %d", n);
 		cce = "HS: SO_SNDBUF failed";
 		goto bail3;
 	}
+#endif
 
 	lwsl_debug("handshake OK for protocol %s\n", wsi->protocol->name);