From a97b591c8c2f63c1dd82006f4eb55615478756d8 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Wed, 29 Apr 2026 12:38:53 -0500
Subject: [PATCH] align

---
 esphome/components/esphome/ota/ota_esphome.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/esphome/components/esphome/ota/ota_esphome.h b/esphome/components/esphome/ota/ota_esphome.h
index c09ad843f8..2da6e7dcd6 100644
--- a/esphome/components/esphome/ota/ota_esphome.h
+++ b/esphome/components/esphome/ota/ota_esphome.h
@@ -92,9 +92,10 @@ class ESPHomeOTAComponent final : public ota::OTAComponent {
   std::unique_ptr<uint8_t[]> auth_buf_;
 #endif  // USE_OTA_PASSWORD
 #ifdef USE_OTA_PARTITIONS
-  bool extended_proto_{false};
+  // 4-byte members first, 1-byte member last to minimize padding.
   uint32_t running_app_offset_{0};
   size_t running_app_size_{0};
+  bool extended_proto_{false};
 #endif
 
   socket::ListenSocket *server_{nullptr};