diff --git a/src/inspector/worker_inspector.h b/src/inspector/worker_inspector.h
index e3c96cf62f01b0..c1d3b8a5711740 100644
--- a/src/inspector/worker_inspector.h
+++ b/src/inspector/worker_inspector.h
@@ -21,6 +21,7 @@ class WorkerDelegate {
                              const std::string& url,
                              bool waiting,
                              std::shared_ptr<MainThreadHandle> worker) = 0;
+  virtual ~WorkerDelegate() {}
 };
 
 class WorkerManagerEventHandle {