From f615409032bf661a7e6000005558d9151740b3f5 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Tue, 30 Dec 2025 10:44:30 -1000
Subject: [PATCH] len known

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

diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index b0a89c9c11..3bc0e73211 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1718,7 +1718,7 @@ void APIConnection::on_home_assistant_state_response(const HomeAssistantStateRes
       memcpy(state_buf, msg.state, msg.state_len);
     }
     state_buf[msg.state_len] = '\0';
-    it.callback(StringRef(state_buf));
+    it.callback(StringRef(state_buf, msg.state_len));
   }
 }
 #endif