diff --git a/libwvdrmengine/cdm/test/unit-test.mk b/libwvdrmengine/cdm/test/unit-test.mk
index 78ce40f2..5335a345 100644
--- a/libwvdrmengine/cdm/test/unit-test.mk
+++ b/libwvdrmengine/cdm/test/unit-test.mk
@@ -55,6 +55,8 @@ LOCAL_MODULE_OWNER := widevine
 # When built, explicitly put it in the DATA/bin directory.
 LOCAL_MODULE_PATH := $(TARGET_OUT_DATA)/bin
 
+LOCAL_PROPRIETARY_MODULE := true
+
 ifneq ($(TARGET_ENABLE_MEDIADRM_64), true)
 LOCAL_MODULE_TARGET_ARCH := arm x86 mips
 endif