diff --git a/Android.mk b/Android.mk
index d6dac53..047254f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -344,6 +344,7 @@
 	media/java/android/media/IVolumeController.aidl \
 	media/java/android/media/audiopolicy/IAudioPolicyCallback.aidl \
 	media/java/android/media/midi/IMidiDeviceListener.aidl \
+	media/java/android/media/midi/IMidiDeviceOpenCallback.aidl \
 	media/java/android/media/midi/IMidiDeviceServer.aidl \
 	media/java/android/media/midi/IMidiManager.aidl \
 	media/java/android/media/projection/IMediaProjection.aidl \