diff --git a/esphome/components/audio/audio.h b/esphome/components/audio/audio.h
index b0968dc8da..caf325cf54 100644
--- a/esphome/components/audio/audio.h
+++ b/esphome/components/audio/audio.h
@@ -1,7 +1,7 @@
 #pragma once
 
+#include <cstddef>
 #include <cstdint>
-#include <stddef.h>
 
 namespace esphome {
 namespace audio {