From bac58bba4d7edddd8a75bfd7caf054d64499cbd3 Mon Sep 17 00:00:00 2001
From: Martin <25747549+martgras@users.noreply.github.com>
Date: Mon, 20 Sep 2021 22:13:46 +0200
Subject: [PATCH] fixes compilation error in rtttl (#2357)

Compilation error for millis() and delay() after #2303
---
 esphome/components/rtttl/rtttl.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/esphome/components/rtttl/rtttl.cpp b/esphome/components/rtttl/rtttl.cpp
index 84cc2ce48c..d571c2f287 100644
--- a/esphome/components/rtttl/rtttl.cpp
+++ b/esphome/components/rtttl/rtttl.cpp
@@ -1,4 +1,5 @@
 #include "rtttl.h"
+#include "esphome/core/hal.h"
 #include "esphome/core/log.h"
 
 namespace esphome {