diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 123d5a9..f6eac20 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -90,12 +90,13 @@
             pid_t creatorPid,
             uid_t clientUid,
             bool isOut,
-            alloc_type alloc,
+            const alloc_type alloc,
             track_type type,
             audio_port_handle_t portId,
             std::string metricsId)
     :   RefBase(),
         mThread(thread),
+        mAllocType(alloc),
         mClient(client),
         mCblk(NULL),
         // mBuffer, mBufferSize
@@ -276,6 +277,10 @@
         // relying on the automatic clear() at end of scope.
         mClient.clear();
     }
+    if (mAllocType == ALLOC_LOCAL) {
+        free(mBuffer);
+        mBuffer = nullptr;
+    }
     // flush the binder command buffer
     IPCThreadState::self()->flushCommands();
 }