diff --git a/server.go b/server.go
index 0f25708..a229bfe 100644
--- a/server.go
+++ b/server.go
@@ -88,7 +88,7 @@ func handleServer(s *server) {
 		go func() {
 			if conn, err = s.listener.Accept(); err != nil {
 				if stopping.Load() == nil {
-					logging.Logger.Error(fmt.Sprintf("Server: Cannot accept new connection: [%s]", err))
+					logging.Logger().Error(fmt.Sprintf("Server: Cannot accept new connection: [%s]", err))
 				}
 			} else {
 				conn, err = s.sh.OnAccept(conn)
@@ -124,7 +124,7 @@ func handleServer(s *server) {
 func handleConnection(s *server, conn net.Conn) {
 	defer s.stopWg.Done()
 
-	logging.Logger.Debug(fmt.Sprintf("Server: Client[%s] is connected.", conn.RemoteAddr()))
+	logging.Logger().Debug(fmt.Sprintf("Server: Client[%s] is connected.", conn.RemoteAddr()))
 	clientStopChan := make(chan struct{})
 	handleDoneChan := make(chan struct{})
 	go s.sh.Handle(conn, clientStopChan, handleDoneChan)
@@ -137,6 +137,6 @@ func handleConnection(s *server, conn net.Conn) {
 	case <-handleDoneChan:
 		close(clientStopChan)
 		conn.Close()
-		logging.Logger.Debug(fmt.Sprintf("Server: Client[%s] is disconnected.", conn.RemoteAddr()))
+		logging.Logger().Debug(fmt.Sprintf("Server: Client[%s] is disconnected.", conn.RemoteAddr()))
 	}
 }