diff --git a/services/gpuservice/GpuService.h b/services/gpuservice/GpuService.h
index 6797868..409084b 100644
--- a/services/gpuservice/GpuService.h
+++ b/services/gpuservice/GpuService.h
@@ -30,6 +30,7 @@
 
 class GpuMem;
 class GpuStats;
+class GpuMemTracer;
 
 class GpuService : public BnGpuService, public PriorityDumper {
 public:
@@ -75,8 +76,9 @@
     /*
      * Attributes
      */
-    std::unique_ptr<GpuMem> mGpuMem;
+    std::shared_ptr<GpuMem> mGpuMem;
     std::unique_ptr<GpuStats> mGpuStats;
+    std::unique_ptr<GpuMemTracer> mGpuMemTracer;
     std::mutex mLock;
     std::string mDeveloperDriverPath;
 };