diff --git a/libs/audioflinger/AudioHardwareStub.h b/libs/audioflinger/AudioHardwareStub.h
index d406424..bf63cc5 100644
--- a/libs/audioflinger/AudioHardwareStub.h
+++ b/libs/audioflinger/AudioHardwareStub.h
@@ -78,6 +78,7 @@
                                 status_t *status=0);
 
     virtual AudioStreamIn* openInputStream(
+                                int inputSource,
                                 int format,
                                 int channelCount,
                                 uint32_t sampleRate,