From ee7d95272da8ccbe6ffca80e17280bf903c764a3 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Wed, 11 Jun 2025 13:32:55 -0500
Subject: [PATCH] lets be sure

---
 esphome/components/esp32_ble/ble_event.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/esphome/components/esp32_ble/ble_event.h b/esphome/components/esp32_ble/ble_event.h
index ae988f2a2a..af70d2f899 100644
--- a/esphome/components/esp32_ble/ble_event.h
+++ b/esphome/components/esp32_ble/ble_event.h
@@ -2,6 +2,7 @@
 
 #ifdef USE_ESP32
 
+#include <cstddef>  // for offsetof
 #include <vector>
 
 #include <esp_gap_ble_api.h>