From 04b0a829636f8e66de3356294728ff395f093041 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Thu, 14 Aug 2025 23:49:05 -0500
Subject: [PATCH] Update esphome/components/esp32/preferences.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 esphome/components/esp32/preferences.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/esp32/preferences.cpp b/esphome/components/esp32/preferences.cpp
index cb18c6f5f1..c5b07b497c 100644
--- a/esphome/components/esp32/preferences.cpp
+++ b/esphome/components/esp32/preferences.cpp
@@ -173,7 +173,7 @@ class ESP32Preferences : public ESPPreferences {
       ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", to_save.key.c_str(), esp_err_to_name(err));
       return true;
     }
-    return memcmp(to_save.data.data(), stored_data.get(), actual_len) != 0;
+    return memcmp(to_save.data.data(), stored_data.get(), to_save.data.size()) != 0;
   }
 
   bool reset() override {