diff --git a/esphome/components/bluetooth_proxy/bluetooth_connection.cpp b/esphome/components/bluetooth_proxy/bluetooth_connection.cpp
index 23b73127d9..9bf78c866b 100644
--- a/esphome/components/bluetooth_proxy/bluetooth_connection.cpp
+++ b/esphome/components/bluetooth_proxy/bluetooth_connection.cpp
@@ -80,9 +80,11 @@ void BluetoothConnection::dump_config() {
 
 void BluetoothConnection::update_allocated_slot_(uint64_t find_value, uint64_t set_value) {
   auto &allocated = this->proxy_->connections_free_response_.allocated;
-  auto *it = std::find(allocated.begin(), allocated.end(), find_value);
-  if (it != allocated.end()) {
-    *it = set_value;
+  for (auto &slot : allocated) {
+    if (slot == find_value) {
+      slot = set_value;
+      return;
+    }
   }
 }