diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index c6368fb..6b12c14 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -163,7 +163,7 @@
                                audio_stream_type_t stream,
                                int session = 0);
     static void releaseOutput(audio_io_handle_t output);
-    static audio_io_handle_t getInput(int inputSource,
+    static audio_io_handle_t getInput(audio_source_t inputSource,
                                     uint32_t samplingRate = 0,
                                     audio_format_t format = AUDIO_FORMAT_DEFAULT,
                                     uint32_t channels = AUDIO_CHANNEL_IN_MONO,