From 0d46bc57d6f363489298561098c3c42f91e0692f Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Tue, 11 Nov 2025 20:42:14 -0600
Subject: [PATCH] [esp32_ble] Use stack allocation for MAC formatting in
 dump_config

---
 esphome/components/esp32_ble/ble.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/esphome/components/esp32_ble/ble.cpp b/esphome/components/esp32_ble/ble.cpp
index 8bbb21e3ca..d0bfb6f843 100644
--- a/esphome/components/esp32_ble/ble.cpp
+++ b/esphome/components/esp32_ble/ble.cpp
@@ -634,11 +634,13 @@ void ESP32BLE::dump_config() {
         io_capability_s = "invalid";
         break;
     }
+    char mac_s[18];
+    format_mac_addr_upper(mac_address, mac_s);
     ESP_LOGCONFIG(TAG,
                   "BLE:\n"
                   "  MAC address: %s\n"
                   "  IO Capability: %s",
-                  format_mac_address_pretty(mac_address).c_str(), io_capability_s);
+                  mac_s, io_capability_s);
   } else {
     ESP_LOGCONFIG(TAG, "Bluetooth stack is not enabled");
   }