diff --git a/include/spdlog/details/periodic_worker.h b/include/spdlog/details/periodic_worker.h
index d05245cb..d647b66e 100644
--- a/include/spdlog/details/periodic_worker.h
+++ b/include/spdlog/details/periodic_worker.h
@@ -38,6 +38,7 @@ public:
             }
         });
     }
+    std::thread &get_thread() { return worker_thread_; }
     periodic_worker(const periodic_worker &) = delete;
     periodic_worker &operator=(const periodic_worker &) = delete;
     // stop the worker thread and join it
diff --git a/include/spdlog/details/registry.h b/include/spdlog/details/registry.h
index 56a6886e..1dff8cdb 100644
--- a/include/spdlog/details/registry.h
+++ b/include/spdlog/details/registry.h
@@ -68,6 +68,8 @@ public:
         periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
     }
 
+    std::unique_ptr<periodic_worker> &get_flusher() { std::lock_guard<std::mutex> lock(flusher_mutex_); return periodic_flusher_; }
+
     void set_error_handler(err_handler handler);
 
     void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun);