From 70a89efb360408186b6a519bb0f8957cd5c53b74 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 21 Nov 2023 00:25:17 +0100
Subject: [PATCH] copy

---
 esphome/core/helpers.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/esphome/core/helpers.cpp b/esphome/core/helpers.cpp
index 549734d974..c95c0470de 100644
--- a/esphome/core/helpers.cpp
+++ b/esphome/core/helpers.cpp
@@ -278,9 +278,9 @@ std::string str_snake_case(const std::string &str) {
   return result;
 }
 std::string str_sanitize(const std::string &str) {
-  std::string out;
+  std::string out = str;
   std::replace_if(
-      str.begin(), str.end(),
+      out.begin(), out.end(),
       [](const char &c) {
         return !(c == '-' || c == '_' || (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'));
       },