diff --git a/webrtc/modules/audio_processing/transient/file_utils.h b/webrtc/modules/audio_processing/transient/file_utils.h
index 6184017..1c9370d 100644
--- a/webrtc/modules/audio_processing/transient/file_utils.h
+++ b/webrtc/modules/audio_processing/transient/file_utils.h
@@ -12,6 +12,7 @@
 #define MODULES_AUDIO_PROCESSING_TRANSIENT_FILE_UTILS_H_
 
 #include <string.h>
+#include <cstdint>
 
 #include "rtc_base/system/file_wrapper.h"