diff --git a/media/libeffects/EffectEqualizer.cpp b/media/libeffects/EffectEqualizer.cpp
index 3a5da4d..c08f4f5 100644
--- a/media/libeffects/EffectEqualizer.cpp
+++ b/media/libeffects/EffectEqualizer.cpp
@@ -20,6 +20,7 @@
 #include <cutils/log.h>
 #include <assert.h>
 #include <stdlib.h>
+#include <string.h>
 #include <new>
 #include "AudioEqualizer.h"
 #include "AudioBiquadFilter.h"