From fb47bfe92acf70e25bceb4b6bdece129f51d75e6 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 6 Jan 2026 17:54:20 -1000
Subject: [PATCH] [dsmr] Eliminate heap allocation when publishing telegram
 (#13032)

---
 esphome/components/dsmr/dsmr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/dsmr/dsmr.cpp b/esphome/components/dsmr/dsmr.cpp
index 41fc2f0d85..5c62aa93ab 100644
--- a/esphome/components/dsmr/dsmr.cpp
+++ b/esphome/components/dsmr/dsmr.cpp
@@ -268,7 +268,7 @@ bool Dsmr::parse_telegram() {
 
     // publish the telegram, after publishing the sensors so it can also trigger action based on latest values
     if (this->s_telegram_ != nullptr) {
-      this->s_telegram_->publish_state(std::string(this->telegram_, this->bytes_read_));
+      this->s_telegram_->publish_state(this->telegram_, this->bytes_read_);
     }
     return true;
   }