From 6da4f95258c351004ae98c1856a83d1cf9b410dd Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Sun, 25 Jan 2026 23:04:33 -1000
Subject: [PATCH] [mqtt] Refactor state publishing with dedicated
 enum-to-string helpers

---
 esphome/components/mqtt/mqtt_component.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/esphome/components/mqtt/mqtt_component.cpp b/esphome/components/mqtt/mqtt_component.cpp
index 66df994a32..a77afd3f4e 100644
--- a/esphome/components/mqtt/mqtt_component.cpp
+++ b/esphome/components/mqtt/mqtt_component.cpp
@@ -159,8 +159,7 @@ bool MQTTComponent::publish(const char *topic, ProgmemStr payload) {
   if (topic[0] == '\0')
     return false;
   // On ESP8266, ProgmemStr is __FlashStringHelper* - need to copy from flash
-  // Max state string is "armed_custom_bypass" (19 chars) + null = 20 bytes
-  char buf[24];
+  char buf[64];
   strncpy_P(buf, reinterpret_cast<const char *>(payload), sizeof(buf) - 1);
   buf[sizeof(buf) - 1] = '\0';
   return global_mqtt_client->publish(topic, buf, strlen(buf), this->qos_, this->retain_);