diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index cc11ddb..22d78eb 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -1482,7 +1482,7 @@
     status_t createMmapBuffer(int32_t minSizeFrames,
                                       struct audio_mmap_buffer_info *info);
     status_t getMmapPosition(struct audio_mmap_position *position);
-    status_t start(const MmapStreamInterface::Client& client, audio_port_handle_t *handle);
+    status_t start(const AudioClient& client, audio_port_handle_t *handle);
     status_t stop(audio_port_handle_t handle);
     status_t standby();