diff --git a/media/libeffects/preprocessing/Android.mk b/media/libeffects/preprocessing/Android.mk
index 358da8b..3f81047 100644
--- a/media/libeffects/preprocessing/Android.mk
+++ b/media/libeffects/preprocessing/Android.mk
@@ -32,5 +32,8 @@
 LOCAL_CFLAGS += -fvisibility=hidden
 LOCAL_CFLAGS += -Wall -Werror
 
-LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += \
+    libhardware_headers \
+    android.hardware.audio.effect.legacy@2.0
+
 include $(BUILD_SHARED_LIBRARY)