diff --git a/services/audioflinger/TrackBase.h b/services/audioflinger/TrackBase.h
index bd569e6..194a515 100644
--- a/services/audioflinger/TrackBase.h
+++ b/services/audioflinger/TrackBase.h
@@ -391,7 +391,7 @@
 {
 public:
                         PatchTrackBase(const sp<ClientProxy>& proxy,
-                                       const IAfThreadBase& thread,
+                                       IAfThreadBase* thread,
                                        const Timeout& timeout);
             void setPeerTimeout(std::chrono::nanoseconds timeout) final;
             void setPeerProxy(const sp<IAfPatchTrackBase>& proxy, bool holdReference) final {