diff --git a/include/spdlog/sinks/file_sinks.h b/include/spdlog/sinks/file_sinks.h
index ab6a0d08..9ec8f46b 100644
--- a/include/spdlog/sinks/file_sinks.h
+++ b/include/spdlog/sinks/file_sinks.h
@@ -30,21 +30,19 @@
 #include "../details/file_helper.h"
 #include "../details/format.h"
 
-
 namespace spdlog
 {
 namespace sinks
 {
-
 /*
 * Trivial file sink with single file as target
 */
 template<class Mutex>
-class simple_file_sink : public base_sink<Mutex>
+class simple_file_sink : public base_sink < Mutex >
 {
 public:
     explicit simple_file_sink(const std::string &filename,
-                              bool force_flush=false):
+                              bool force_flush = false) :
         _file_helper(force_flush)
     {
         _file_helper.open(filename);
@@ -64,14 +62,14 @@ typedef simple_file_sink<details::null_mutex> simple_file_sink_st;
 
 /*
  * Rotating file sink based on size
-*/
+ */
 template<class Mutex>
-class rotating_file_sink : public base_sink<Mutex>
+class rotating_file_sink : public base_sink < Mutex >
 {
 public:
     rotating_file_sink(const std::string &base_filename, const std::string &extension,
                        std::size_t max_size, std::size_t max_files,
-                       bool force_flush=false):
+                       bool force_flush = false) :
         _base_filename(base_filename),
         _extension(extension),
         _max_size(max_size),
@@ -82,12 +80,11 @@ public:
         _file_helper.open(calc_filename(_base_filename, 0, _extension));
     }
 
-
 protected:
     void _sink_it(const details::log_msg& msg) override
     {
         _current_size += msg.formatted.size();
-        if (_current_size  > _max_size)
+        if (_current_size > _max_size)
         {
             _rotate();
             _current_size = msg.formatted.size();
@@ -95,7 +92,6 @@ protected:
         _file_helper.write(msg);
     }
 
-
 private:
     static std::string calc_filename(const std::string& filename, std::size_t index, const std::string& extension)
     {
@@ -107,14 +103,12 @@ private:
         return w.str();
     }
 
-
     // Rotate files:
     // log.txt -> log.1.txt
     // log.1.txt -> log2.txt
     // log.2.txt -> log3.txt
     // log.3.txt -> delete
 
-
     void _rotate()
     {
         _file_helper.close();
@@ -152,7 +146,7 @@ typedef rotating_file_sink<details::null_mutex>rotating_file_sink_st;
  * Rotating file sink based on date. rotates at midnight
  */
 template<class Mutex>
-class daily_file_sink:public base_sink<Mutex>
+class daily_file_sink :public base_sink < Mutex >
 {
 public:
     //create daily file sink which rotates on given time
@@ -161,7 +155,7 @@ public:
         const std::string& extension,
         int rotation_hour,
         int rotation_minute,
-        bool force_flush=false): _base_filename(base_filename),
+        bool force_flush = false) : _base_filename(base_filename),
         _extension(extension),
         _rotation_h(rotation_hour),
         _rotation_m(rotation_minute),
@@ -169,17 +163,15 @@ public:
     {
         if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
             throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
-        _rotation_tp = _next_rotation_tp(),
+        _rotation_tp = _next_rotation_tp();
         _file_helper.open(calc_filename(_base_filename, _extension));
     }
 
-
 protected:
     void _sink_it(const details::log_msg& msg) override
     {
         if (std::chrono::system_clock::now() >= _rotation_tp)
         {
-            _file_helper.close();
             _file_helper.open(calc_filename(_base_filename, _extension));
             _rotation_tp = _next_rotation_tp();
         }
@@ -218,8 +210,6 @@ private:
     int _rotation_m;
     std::chrono::system_clock::time_point _rotation_tp;
     details::file_helper _file_helper;
-
-
 };
 
 typedef daily_file_sink<std::mutex> daily_file_sink_mt;