From 10ca7ed85b5bc90e0f653445f3dcfe88e1c4ccae Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sun, 13 Jul 2025 14:58:07 -1000
Subject: [PATCH] Fix dormant bug in RAMAllocator::reallocate() manual_size
 calculation (#9482)

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

diff --git a/esphome/core/helpers.h b/esphome/core/helpers.h
index 58f162ff9d..c3b404ae60 100644
--- a/esphome/core/helpers.h
+++ b/esphome/core/helpers.h
@@ -783,7 +783,7 @@ template<class T> class RAMAllocator {
   T *reallocate(T *p, size_t n) { return this->reallocate(p, n, sizeof(T)); }
 
   T *reallocate(T *p, size_t n, size_t manual_size) {
-    size_t size = n * sizeof(T);
+    size_t size = n * manual_size;
     T *ptr = nullptr;
 #ifdef USE_ESP32
     if (this->flags_ & Flags::ALLOC_EXTERNAL) {