diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index 6b48991..1ada9c3 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -19,6 +19,7 @@
     IAudioTrack.cpp \
     IAudioRecord.cpp \
     ICrypto.cpp \
+    IDrm.cpp \
     IHDCP.cpp \
     AudioRecord.cpp \
     AudioSystem.cpp \