diff --git a/media/libaaudio/src/utility/AudioClock.h b/media/libaaudio/src/utility/AudioClock.h
index 43b71b0..d5d4ef4 100644
--- a/media/libaaudio/src/utility/AudioClock.h
+++ b/media/libaaudio/src/utility/AudioClock.h
@@ -17,6 +17,7 @@
 #ifndef UTILITY_AUDIO_CLOCK_H
 #define UTILITY_AUDIO_CLOCK_H
 
+#include <errno.h>
 #include <stdint.h>
 #include <time.h>