diff --git a/soundtrigger/2.0/default/Android.mk b/soundtrigger/2.0/default/Android.mk
index 498c54f..70c78e0 100644
--- a/soundtrigger/2.0/default/Android.mk
+++ b/soundtrigger/2.0/default/Android.mk
@@ -18,6 +18,7 @@
 
 include $(CLEAR_VARS)
 LOCAL_MODULE := android.hardware.soundtrigger@2.0-impl
+LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SRC_FILES := \
     SoundTriggerHalImpl.cpp