diff --git a/include/spdlog/async_logger.h b/include/spdlog/async_logger.h
index 94a0d100..5ff53108 100644
--- a/include/spdlog/async_logger.h
+++ b/include/spdlog/async_logger.h
@@ -53,9 +53,9 @@ class async_logger :public logger
 {
 public:
     template<class It>
-    async_logger(const std::string& name, const It& begin, const It& end, size_t queue_size, const async_queue_overflow_policy overflow_policy = async_queue_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
-    async_logger(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const async_queue_overflow_policy overflow_policy = async_queue_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
-    async_logger(const std::string& logger_name, sink_ptr single_sink, size_t queue_size, const async_queue_overflow_policy overflow_policy = async_queue_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
+    async_logger(const std::string& name, const It& begin, const It& end, size_t queue_size, const  async_overflow_policy overflow_policy =  async_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
+    async_logger(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const  async_overflow_policy overflow_policy =  async_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
+    async_logger(const std::string& logger_name, sink_ptr single_sink, size_t queue_size, const  async_overflow_policy overflow_policy =  async_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
 
 
 protected:
diff --git a/include/spdlog/common.h b/include/spdlog/common.h
index 4d847736..3408bcb9 100644
--- a/include/spdlog/common.h
+++ b/include/spdlog/common.h
@@ -75,6 +75,17 @@ inline const char* to_str(spdlog::level::level_enum l)
 }
 } //level
 
+
+//
+// Async mode - off by default.
+//
+enum class async_overflow_policy
+{
+    block_retry, // Block / yield / sleep until message can be enqueued
+    discard_log_msg // Discard the message it enqueue fails
+};
+
+
 //
 // Log exception
 //
diff --git a/include/spdlog/details/async_log_helper.h b/include/spdlog/details/async_log_helper.h
index 090d5d0a..a77543fa 100644
--- a/include/spdlog/details/async_log_helper.h
+++ b/include/spdlog/details/async_log_helper.h
@@ -112,7 +112,7 @@ public:
     async_log_helper(formatter_ptr formatter,
     	const std::vector<sink_ptr>& sinks, 
     	size_t queue_size, 
-    	const async_queue_overflow_policy overflow_policy = async_queue_overflow_policy::block_retry,
+    	const async_overflow_policy overflow_policy = async_overflow_policy::block_retry,
     	const std::function<void()>& worker_warmup_cb = nullptr);
     	
     void log(const details::log_msg& msg);
@@ -133,7 +133,7 @@ private:
     std::shared_ptr<spdlog_ex> _last_workerthread_ex;
 
     // overflow policy
-    const async_queue_overflow_policy _overflow_policy;
+    const async_overflow_policy _overflow_policy;
 
     // worker thread warmup callback - one can set thread priority, affinity, etc
     const std::function<void()> _worker_warmup_cb;
@@ -161,7 +161,7 @@ private:
 ///////////////////////////////////////////////////////////////////////////////
 // async_sink class implementation
 ///////////////////////////////////////////////////////////////////////////////
-inline spdlog::details::async_log_helper::async_log_helper(formatter_ptr formatter, const std::vector<sink_ptr>& sinks, size_t queue_size, const async_queue_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb):
+inline spdlog::details::async_log_helper::async_log_helper(formatter_ptr formatter, const std::vector<sink_ptr>& sinks, size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb):
     _formatter(formatter),
     _sinks(sinks),
     _q(queue_size),
@@ -190,7 +190,7 @@ inline void spdlog::details::async_log_helper::log(const details::log_msg& msg)
 {
     throw_if_bad_worker();
     async_msg new_msg(msg);
-    if (!_q.enqueue(std::move(new_msg)) && _overflow_policy != async_queue_overflow_policy::discard_log_msg)
+    if (!_q.enqueue(std::move(new_msg)) && _overflow_policy != async_overflow_policy::discard_log_msg)
     {
         auto last_op_time = clock::now();
         do
diff --git a/include/spdlog/details/async_logger_impl.h b/include/spdlog/details/async_logger_impl.h
index ad84c76a..a4724b90 100644
--- a/include/spdlog/details/async_logger_impl.h
+++ b/include/spdlog/details/async_logger_impl.h
@@ -34,16 +34,16 @@
 
 
 template<class It>
-inline spdlog::async_logger::async_logger(const std::string& logger_name, const It& begin, const It& end, size_t queue_size, const async_queue_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) :
+inline spdlog::async_logger::async_logger(const std::string& logger_name, const It& begin, const It& end, size_t queue_size, const  async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) :
     logger(logger_name, begin, end),
     _async_log_helper(new details::async_log_helper(_formatter, _sinks, queue_size, overflow_policy, worker_warmup_cb))
 {
 }
 
-inline spdlog::async_logger::async_logger(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const async_queue_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) :
+inline spdlog::async_logger::async_logger(const std::string& logger_name, sinks_init_list sinks, size_t queue_size, const  async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) :
     async_logger(logger_name, sinks.begin(), sinks.end(), queue_size, overflow_policy, worker_warmup_cb) {}
 
-inline spdlog::async_logger::async_logger(const std::string& logger_name, sink_ptr single_sink, size_t queue_size, const async_queue_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) :
+inline spdlog::async_logger::async_logger(const std::string& logger_name, sink_ptr single_sink, size_t queue_size, const  async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb) :
     async_logger(logger_name, { single_sink }, queue_size, overflow_policy, worker_warmup_cb) {}
 
 
diff --git a/include/spdlog/details/registry.h b/include/spdlog/details/registry.h
index d85b5bf5..2d1c2339 100644
--- a/include/spdlog/details/registry.h
+++ b/include/spdlog/details/registry.h
@@ -120,7 +120,7 @@ public:
             l.second->set_level(log_level);
     }
 
-    void set_async_mode(size_t q_size, const async_queue_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb)
+    void set_async_mode(size_t q_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb)
     {
         std::lock_guard<std::mutex> lock(_mutex);
         _async_mode = true;
@@ -152,7 +152,7 @@ private:
     level::level_enum _level = level::info;
     bool _async_mode = false;
     size_t _async_q_size = 0;
-    async_queue_overflow_policy _overflow_policy = async_queue_overflow_policy::block_retry;
+    async_overflow_policy _overflow_policy = async_overflow_policy::block_retry;
     std::function<void()> _worker_warmup_cb = nullptr;
 };
 }
diff --git a/include/spdlog/details/spdlog_impl.h b/include/spdlog/details/spdlog_impl.h
index 3dddecd2..69fb85d8 100644
--- a/include/spdlog/details/spdlog_impl.h
+++ b/include/spdlog/details/spdlog_impl.h
@@ -132,7 +132,7 @@ inline void spdlog::set_level(level::level_enum log_level)
 }
 
 
-inline void spdlog::set_async_mode(size_t queue_size, const async_queue_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb)
+inline void spdlog::set_async_mode(size_t queue_size, const async_overflow_policy overflow_policy, const std::function<void()>& worker_warmup_cb)
 {
     details::registry::instance().set_async_mode(queue_size, overflow_policy, worker_warmup_cb);
 }
diff --git a/include/spdlog/spdlog.h b/include/spdlog/spdlog.h
index 27673310..57223eec 100644
--- a/include/spdlog/spdlog.h
+++ b/include/spdlog/spdlog.h
@@ -57,19 +57,8 @@ void set_formatter(formatter_ptr f);
 void set_level(level::level_enum log_level);
 
 
-//
-// Async mode - off by default.
-//
-
-enum class async_queue_overflow_policy
-{
-    block_retry, // Block / yield / sleep until message can be enqueued
-    discard_log_msg // Discard the message it enqueue fails
-};
-
 // Turn on async mode and set the queue size for each async_logger
-
-void set_async_mode(size_t queue_size, const async_queue_overflow_policy overflow_policy = async_queue_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
+void set_async_mode(size_t queue_size, const async_overflow_policy overflow_policy = async_overflow_policy::block_retry, const std::function<void()>& worker_warmup_cb = nullptr);
 // Turn off async mode
 void set_sync_mode();