diff --git a/tooling/agent/heapprofiler_impl.h b/tooling/agent/heapprofiler_impl.h
index 615d38c144387d140a05c727a72f2fda3a90ba6c..4eaea01247bf92a7fdc79a032753629baff3db03 100644
--- a/tooling/agent/heapprofiler_impl.h
+++ b/tooling/agent/heapprofiler_impl.h
@@ -172,7 +172,7 @@ private:
     const EcmaVM *vm_ {nullptr};
     Frontend frontend_;
     HeapProfilerStream stream_;
-    uv_timer_t handle_;
+    uv_timer_t handle_ {};
 };
 }  // namespace panda::ecmascript::tooling
 #endif
\ No newline at end of file