diff --git a/media/jni/audioeffect/Visualizer.cpp b/media/jni/audioeffect/Visualizer.cpp
index efeb3352d393f..f4d65d0a397ff 100644
--- a/media/jni/audioeffect/Visualizer.cpp
+++ b/media/jni/audioeffect/Visualizer.cpp
@@ -25,6 +25,7 @@
 #include <limits.h>
 
 #include <audio_utils/fixedfft.h>
+#include <cutils/bitops.h>
 #include <utils/Thread.h>
 
 #include "Visualizer.h"