From aba8a83cba9842d7c5308e0f5d6a1b9d5c878cdd Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Thu, 29 Jan 2026 16:02:32 -0600
Subject: [PATCH] ard as well

---
 esphome/components/web_server/web_server.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/web_server/web_server.h b/esphome/components/web_server/web_server.h
index ad002dc7af..d05aafe473 100644
--- a/esphome/components/web_server/web_server.h
+++ b/esphome/components/web_server/web_server.h
@@ -105,7 +105,7 @@ enum JsonDetail { DETAIL_ALL, DETAIL_STATE };
   can be forgotten.
 */
 #if !defined(USE_ESP32) && defined(USE_ARDUINO)
-using message_generator_t = std::string(WebServer *, void *);
+using message_generator_t = json::SerializationBuffer<>(WebServer *, void *);
 
 class DeferredUpdateEventSourceList;
 class DeferredUpdateEventSource : public AsyncEventSource {